1.involve in 使卷入
例句:I seem to have involved myself in something I don't understand.
我似乎卷入了一件我并不知情的事情当中。
2.prohibit from 禁止
例句:Federal law prohibits foreign airlines from owning more than 25% of any U.S. airline.
联邦法律禁止外国航空公司拥有任何一家美国航空公司超过25%的股权份额。
3.require to 需要
例句:This isn't the kind of crisis that requires us to drop everything else.
这样的危机并不需要我们抛弃其他的一切。
4.prior to 在…之前
例句:Prior to his Japan trip, he went to New York.
在去日本之前,他去了纽约。











