dependent
a. relying (on another) for support

male
a. of the sex that does not give birth to young 男（性）的；雄的
n. a male person, animal or plant

antler
n. the solid, bony horn of a male deer 鹿角，茸角

deposit
vt. put or store for safe keeping; (esp. of a liquid, a river) leave lying (a layer of matter)存放；使沉积

doe
n. a fully-grown female deer

expend
vt. spend or use up 花费；耗尽

accumulate
v. make or become greater in number or quantity; collect or gather 积累；积聚

account
n. a sum of money kept in a bank which may be added to or taken from 帐户；存款

spotted
a. marked with spots

depth
n. the state or degree of being deep 深；深度，厚度

safeguard
n. a means of protection against sth. unwanted 预防措施

internal
a. of or in the inside, esp. of the body 内部的；体内的

physiological
a. 生理的；生理学的

metabolism
n. 新陈代谢

hence
ad. therefore 因此，所以

expenditure
n. expending or using up; the amount of money, time, etc. expended 花费；用光；支出额，费用

somewhat
ad. by some degree or amount; a little 有点，稍微

drowsy
a. sleepy or half sleepy; making one sleepy 困倦的；催眠的

hibernate
vi. (of some animals) pass the whole of the winter in a state like sleep 冬眠

extreme
n. either end of anything; highest degree 极端

seasonal
a. depending on the season; changing with the seasons 季节性的

rhythm
n. 节奏

abundant
a. more than enough 充足的；丰富的

cabin
n. a small roughly built, usu. wooden house 小木屋；茅舍

melt
v. cause (a solid) to become liquid; (of a solid ) become liquid （使）融化；（使）熔化

amusing
a. funny 逗人笑的；引起乐趣的

amuse
vt. cause to laugh or smile

thermostat
n. an automatic device for regulating temperature 恒温器

biologically
ad. 生物学上

biological a.

survival
n. the fact or likelihood of surviving 幸存

productivity
n. the ability or capacity to produce, productiveness 生产力；生产率；多产

fundamental
a. basic; most important

Phrases & Expressions

go round
function smoothly

in the form of
以…形式

in point
appropriate; pertinent 适用的；相关的

in (good) condition
in good health, physically fit

give birth (to)
bear; (fig.) produce 生（孩）子，产（仔）；产生，引起

draw on
take or use as a source 利用；动用

slow down
(cause to ) go more slowly than usual; (cause to ) live, work, etc. in a less active and intense way （使）慢下来；（使）放松

turn down
reduce the force, speed, loudness, etc. of (sth.) by using controls 减弱；关小，调低

move about
travel around; go from one place to another

pull through
help (sb.) to survive a period of danger or crisis 使渡过危险或危机

Proper Name

Minnesota
明尼苏达（美国州名）