海量资源,尽在掌握
 反义短语at last用法at first是副词短语,强调在时间上居前面,与at last相对应。例如:① This may seem like a difficult word at first,but it can be very useful to understand.刚开始,这似乎是个难词,但是理解了会非常有用。② At first I didnt like him but now I d......(本文共 474 字) [阅读本文] >>