agitation

  n. 搅动,摇动;激动,忧虑

  She was in a state of agitation. 她处于激动状态。

  n. 鼓动,煽动

  agreeable

  adj. 令人愉快的

  She has an agreeable voice. 她的嗓音悦耳。

  [同]pleasant

  adj. 易相处的

  [同]compatible

  adj. (欣然)同意的

  I’m agreeable to doing what you suggest. 我乐于照你的建议去做。

  alas

  int. (表示悲痛、遗憾等的惊叹声)哎呀,唉

  album

  n. 相册,集邮册,签名纪念册;唱片簿,唱片集

  alert

  adj. 警惕的,警觉的

  be alert in answering questions 留心回答问题

  [同]watchful

  adj. 机灵的

  [同]clever

  n. 注意,提防,小心

  They are always on the alert for traffic signals. 他们总是很留心交通信号。

  n. 警戒,警报,戒备状态

  [难点]

  be alert to sth. 警惕…

  be on the alert for / against sth /to do sth. 警惕…,随时准备着做…