If这个词的用法if的用法（详细）~`
问题描述：
If这个词的用法
if的用法（详细）~`
答
if [if] conj.1. [表示条件或假设]如果；假如,倘若,要是：例句: If I knew, I would say.如果我知道,我就说了.If I were you, I would have failed.如果我是你,我可能会失败的.2. 尽管；虽然；即使：例句: If he is ...