17.alarm n.警報器
fire alarm 火警報警器
例句：The proceedings were interrupted by the fire alarm.
會議的進程被火災警報打斷了。

18.go off （報警器）突然發(fā)出巨響
例句：The thieves ran away when the burglar alarm went off.
防盜警報器一響，盜賊立刻逃走了。

19.surface n.表面
例句：It has a rough surface.
它表面粗糙。

20.dead adj.不運作的
例句：Our radio receiver went dead.
我們的無線電接收機失靈了。

21.cough v.咳嗽
例句：She coughed herself hoarse.
她咳得嗓子都沙啞了。

22.seem v.似乎；好像
例句：She seems very happy with the new job.
她對新工作好像很滿意。

23.wave v.揮手，招手；揮臂
例句：He waved the servant out of his room.
他揮手叫仆人離開房間。

24.save one’s life 救了某人的性命
例句：Better save one life than Build a seven-story pagoda
救人一命勝造七級浮屠

25.lend v.借給；借出
例句：Could you lend me your dictionary?
你能把字典借給我嗎?

26.event n.重要事情；大事
例句：Winning the scholarship was a great event in the boy's life.
贏得這項獎學金是這個男孩一生中的一件大事。

27.take care 小心；留神
例句：Take care of the pence, and the pounds will take care of themselves.
小事留意,大事順利。

28.mind v.小心；當心
例句：Mind the wet paint.
當心油漆未干。

29.look out 留神；注意
例句：FBI is on the look out for the agent these days.
這些天聯(lián)邦調(diào)查局正在注意那個特工。

30.label n.標簽
例句：He attached a label to his baggage.
他往行李上貼了一個標簽。

31.harbor n.港口；港灣
例句：The depot near the harbor was bombed by the enemy.
港口附近的兵站被敵人炸毀了。