1.business n. 买卖；交易；商业；商店
go out of business 破产，停业
例句：1.The supermarket down the street is selling everything half price beacuse they are going out of business.
2.The variety theatre finally went out of business．
go into business 经商，从事商业
A:l've decided to apply to graduate school in engineering for next year.
B:More school? I'm going into business for myself.
on business 出差
例句：My company is flying me out to Hawaii on business next week.
2.draw v. 画图；画；拉出；取出；抽出；吸气
draw the line 到此为止；拒绝做…
A:Paul expects me to clean the room every week.
B:That's where I draw the lne.
3.engineering n. 工程；工程学；工程设计
genotic engineering 遗传工程
例句：Did Prof.Taylor talk about ganetic engineering today?
4.memeory n. 1．记忆，记忆力 2．回忆，纪念