慢速英语:Man's Life Saved After Tapeworm Removed from Brain

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2. perform vt.进行; 完成
例句：They always perform their duties faithfully.
他们总是忠实地履行自己的职责。

3. operate vt.操作; 经营; 运转
例句：Could you tell me how to operate this account?
请告诉我如何经管这个帐户好吗？

4. permit vt.许可，准许; 默许
例句： An enlightened government should permit the free expression of political opinion.
一个开明的政府应当允许自由发表政见。

5. suspect vt.（是） 猜疑; 怀疑
例句：His motives were suspect with others.
他的动机受到其他人的怀疑。

6. infect vt.使受影响，感染; 传染
例句：I didn't pay any attention to it Because I never infect.
我对这事毫不注意，因为我从来未受感染。