臭氧 A blue gaseous allotrope of oxygen, O3, formed naturally from diatomic oxygen by electric discharge or exposure to ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:12:02 阅读(1) 评论(0)阑尾In human anatomy, the vermiform appendix (or just appendix) is a small sac connected to the large intestine. It was ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:12:00 阅读(0) 评论(0)第一次世界大战中AIRSHIP的背景知识 By the start of the Great War the airship had been developed into two main types - rig ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:12:00 阅读(3) 评论(0)雪花 对于一片六角形雪片来说，由于它表面曲率不等(有凸面、平面和凹面)，各面上的饱和水汽压力也不同，因此产生了相互间的水汽密 ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:59 阅读(3) 评论(0)KEYSTONE SPECIES A keystone is the stone at the top of an arch that supports the other stones and keeps the whole arch ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:59 阅读(1) 评论(0)back ---- returnback up ---- tie upband try out ---- want to play in the bandbargain ---- purchasebe a l ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:58 阅读(1) 评论(0)be off // restriction ---- eliminatebe off in a minute ---- end sth. quicklybe on a diet ---- go on a dietb ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:58 阅读(0) 评论(0)cake // chocolate ---- desertcall an agency ---- hire someonecall for an appointment // on one's calendar ----& ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:54 阅读(0) 评论(0)Sunwind 从日冕不断发射出的稳定的粒子流。日冕具有极高的温度，作用于日冕气体上的引力不能平衡压力差，因此日冕中很难维持流 ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:54 阅读(4) 评论(0)climate ---- weatherclinic ---- infirmaryclose ---- miscoat // sweater // late tonight ---- be cool in ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:53 阅读(1) 评论(0)Jupiter 木星是太阳系九大行星中最大的一个，它的体积可以容纳1300多个地球。它的质量是地球质量的300多倍。把太阳系所有其他行 ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:53 阅读(0) 评论(0)JUPITER Jupiter has thick, gaseous atmospheres and low densities. It has no solid rock surface. The temperature ranges ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:52 阅读(3) 评论(0)MUSICAL TERMINOLOGY PITCH is the perceived highnes or lownes of a sound. Variations in frequency are what we hear as ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:52 阅读(3) 评论(0)TIMBRE is the tonal quality or color of a sound. This quality is determined by the wave shape, which is determined in tu ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:50 阅读(3) 评论(0)MEMBRANOPHONES Membranophones produce sound by stretching a membrane over an opening. Most, but not all, membranophones ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:50 阅读(0) 评论(0)火山 世界上60％以上的活火山都分佈在太平洋沿岸新形成不久的巨大山脈和島嶼；另外有集中在地中海、非洲東部和大西洋中部的地殼 ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:49 阅读(1) 评论(0)无线电波（即赫兹波） 赫兹波除微波波段兼用厘米表示它的波长外，一般均用频率代替波长，其单位为赫（Hz）。频率范围约在30千赫（ ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:49 阅读(1) 评论(0)季风 现代人们对季风的认识有了进步，至少有三点是公认的，即：（1）季风是大范围地区的盛行风向随季节改变的现象，这里强调“大 ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:27 阅读(0) 评论(0)dark ---- lack of lightday in and day out ---- all the timedecrease ---- slightly shorterdelicious ---- ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:27 阅读(1) 评论(0)factors ... lead to ---- causesfail to ---- don'tfall back on ---- turn tofall back on one's dictionary ---- ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:26 阅读(3) 评论(0)each week ---- weeklyearly ---- soonerearly ---- before the endeasier ... than ... ---- difficult // har ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:26 阅读(1) 评论(0)Germany and France ---- Europeget ---- furnish // receiveget a good night sleep ---- be well restedget a lif ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:25 阅读(0) 评论(0)had been expecting more than just a pasing grade ---- was harder than he had anticipatedhadn't gotten rid of ----&g ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:25 阅读(0) 评论(0)I can't believe how good ---- be more attractive than I expectedI can't leave a project unfinished. ---- I must ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:23 阅读(1) 评论(0)Big eyed Bug Rearing Natural HistoryBig-eyed bugs are true bugs in the order Hemiptera. The two most common species are ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:23 阅读(1) 评论(0)Giant Shield Volcanoes The giant shield volcanoes on Mars are truly huge. The largest are three times as high as the bi ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:22 阅读(0) 评论(0)Insomnia self-care techniquesin addition to the wise use of supplements and maintaining a healthy lifestyle, there are a ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:22 阅读(0) 评论(0)Sunflowercommon name for annual and perennial herbs of a genus of the family of composite flowers. The genus, which cont ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:21 阅读(0) 评论(0)Olympus Mons a gigantic (about 600 km/375 mi in diameter) shield volcano on Mars, is larger acros than the length of th ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:21 阅读(0) 评论(0)jar ---- containerjazz record // songs ---- listen to musicjob ---- workjoin us ---- with usjudge ----&g ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:20 阅读(1) 评论(0)magnate // millionaire ---- wealthy developermail ---- writemail carrier ---- delivermain tool ---- stro ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:20 阅读(4) 评论(0)naturally // spontaneously // not planned in advance ---- individual self expresionnay ---- does notnearly fini ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:18 阅读(5) 评论(0)occasionally ---- sometimesoccupy one's time ---- wait a long timeodd ---- surpriseOf course not (mind). --- ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:18 阅读(1) 评论(0)painter ---- artpainting ---- picturepaper ---- form // newspaper // asignmentpark ranger ---- park ser ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:17 阅读(1) 评论(0)question ---- informationquick // What's the rush. ---- There is no need to be in a hurryquickly ---- fastqu ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:17 阅读(0) 评论(0)save wear and tear ---- protect // not require very much maintenancesay ---- speak tosay ---- agreesb. be aw ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:16 阅读(0) 评论(0)so ---- bothso happy ---- receive a good evaluationso it can go around it ---- to find its wayso many // ext ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:16 阅读(0) 评论(0)Surface Tension condition existing at the free surface of a liquid, resembling the properties of an elastic skin under t ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:15 阅读(0) 评论(0)SEA The distribution of marine organisms depends on the chemical and physical properties of seawater (temperature, sali ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:15 阅读(0) 评论(0)CICADA Their life cycle takes 17 years in northern species (the so-called 17-year locusts) and 13 years in southern spec ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:11 阅读(0) 评论(0)BEAR’S HIBERNATION In cold climates bears sleep through most of the winter in individual dens made in caves or holes in ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:11 阅读(1) 评论(0)take ---- delivertake a break every once in a while // study so long // can hardly concentrate ---- stop studyin ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:06 阅读(7) 评论(0)under the impresion ---- get the impresionunder warranty ---- be brokenunderstand ---- be sure // thinkund ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:11:06 阅读(2) 评论(0)SNOWFLAKE Snowflakes form symmetrical (hexagonal) crystals, sometimes matted together if they descend through air warme ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:10:44 阅读(1) 评论(0)ROCK Igneous rock originates from the cooling and solidification of molten matter from the earth’s interior. Sedimenta ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:10:44 阅读(1) 评论(0)OZONE / DNA the sun damages the DNA of the exposed skin cells. In response, the cells release enzymes that excise the da ...
点赞(0) 反对(0) 考研 发布于 2008-03-12 00:10:43 阅读(2) 评论(0)ENERGY An early source of energy, or prime mover, used by humans was animal power, i.e., the energy obtained from domes ...
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