541,"astonished","[:K/C5Q0MC]adj 惊讶的【类】moist:sodden＝surprised:astonished潮湿过分为湿透的＝吃惊过分为惊讶的"

542,"astonishing","[:K/C5Q0M0R]adj 惊人的；令人惊讶的"

543,"astonishment","[:K/C5Q0MP:QC]n  惊愕（巨大的惊讶或惊奇）【例】He looked at me in astonishment   他惊奇地望着我。【类】pleasure:ecstasy＝surprise:astonishment高兴过分为狂喜＝吃惊过分为大吃一惊"

544,"astound","[:K/C>7QD]adj 使震惊（极为惊讶和迷惑不解）【例】He was astounded when he heard his son had taken drugs 他听说他儿子吸毒，不禁大为惊讶。【记】a一个，stound＝sound声。大叫一声－使震惊【类】astound:wonder＝appall:horror   使吃惊导致惊奇＝使惊骇导致恐怖"

545,"astounding","[:K/C>7QD0R]adj 令人惊骇的＝amazing【类】indelible:forget＝astounding:expect抹不去的无法忘记＝震惊的无法预期"

546,"astral","[/3KCT:S]adj  星形的；与星有关的【根】astr星"

547,"astray","[:KC/T<0]adj 迷途的（偏离正确的道路或方向）；误入歧途的（走向错误和罪恶）【例】The boy was led astray by bad companions  这小孩被坏伙伴诱入歧途。【记】stray（v 迷路；adj 迷路的）"

548,"astringent","[:K/CT0QDN:QC]adj 止血的，收缩的（有助于收缩有机组织的）n 收缩剂，止血剂（如明矾，可以收缩机体组织，从而阻止血液或其它分泌物流出体外）【记】string用绳帮紧－收缩剂。参：stringent（adj 严厉的）【类】astringent:pucker[contraction]＝spark:ignition＝anesthetic:insensibility收缩剂造成收缩＝火花造成点燃＝麻醉剂造成麻木"

549,"astrolabe","[/3KCT:S<0B]n  星盘（用来测量太阳或其它天体的高度，现已被六分仪取代）【记】astro星，lab实验室－在实验室中用的星盘【类】astrolabe:nautical＝colander:culinary星盘是航海工具＝滤器是烹调工具"

550,"astrology","[:/KCT5S:DN0]n 占星术（以观测天象来预卜人间事务的一种方术）【记】astro星，ology学科－占星学；参：astronomy（n 天文学）【类】astrology:astronomy＝alchemy:chemistry占星术是假天文学＝炼金术是假化学"