infact的用法和例句

　　In fact he's not John Doe anymore, we have an ID.

　　事实上他不再是某男了，我们有一张身份证件。

　　I didn't fail the exam; in fact I did rather well!

　　我没有考不及格，事实上，我考得不错！

　　Both mushrooms look innocuous but are in fact deadly.

　　两个蘑菇看起来都无害，但实际上却能致命。