fail加什么?

fail加什么? fail和fail in 有什么区别? fail什么意思 fail 什么意思? Assert.fail();什么意思? fail drawing什么意思. Fail fail to realize什么意思 fail都有什么意思 Fail in plan, is planning to fail什么意思? fail sth.和fail in sth.有什么区别? fail和fail in用法什么时候加in什么时候不加in, we will never fail什么意思啊? You are fail中文什么意思 英语翻译link和fail指什么? fail to do与fail (in) sth有什么区别啊 He fail to catch the train.He fail to lift the rock in spite of all his exertion.请问这两句话fail为何不加s? each time you fail , start all over again 什么意思?