asleep adj. [作表语] 睡着的(fall asleep/入睡);
aspect n. 模样,面貌,方面one aspect of the problem /问题的一个方面;
a house with a southern aspect /朝南的房子);
assemble v. 集合,聚集,装配(机器等) (assembly line/装配线);
assess v. 估定(财产,价值等),评估(人物、工作等)( damages were assessed at 1000 rmb. / 损失估计达一千元人民币。);
asset n. [常用复]资产;财产;
assist v. 帮助,支援(assist sb. with a task/帮助某人做某事;
assist sb. in doing sth. / 帮助某人做某事 );
associate v. 结交,联合,由……联想到……,把……联系起来(associate one thing with another/把某一事与另一事联系起来;
associate with/和……来往,和……共事;同……联合);
association n. 联合, 联系, 联盟, 协会, 社团;
assume v. 假定,承担,呈(形式,姿态,位置) (assume responsibility/负责,承担责任
assume a new aspect/呈现新的面貌);
astonish v. 使吃惊 (be astonished at sth. /对……感到惊讶, astonish sb. /使……感到惊讶);
astronaut n. 太空人,宇航员;
at prep. [位置,场所,地点,时间]在……时,在……中,在……方面,向,表示以..速度,价格等;
arrive at... /到达……
at my uncle’s/在我叔父家
at the foot[top] of the mountain / 在山脚下[顶上]
at the end of the street/在街的尽头
at the meeting/在会议上
at ten o’clock/ 在十点钟
at (the age of) forty/在 40 岁的时候
at the beginning of the month/ 在月初
at christmas/在圣诞节
at one’s convenience/在某人方便时
at high pressure/在高压下
aim at.../对准……throw...at.../朝……扔……