at the same time 、first of all等等这些称为英语词组还是英语短语?我想买一本专是介绍这类的工具书（注意不是单词书,因为我已经有很多单词书了,牛津高阶双解也有了）,但是我自己不知道怎么

AT THE SAME TIME怎么样 At the same time fanyi at the same time of in the same time还是at the same time? at the same time,at one at the same time 为什么加 the in the same time,at the same time,on the same time,for the same time的区别区别,例子 at a time 和at the same time的区别 at the same time的同义词 at the same time翻译单词 at the same time.翻译成汉语 at one and the same time是什么意思. At the same time at the third crossing 造句 at the same time等于什么?如题.at the same time.._________ ________. at one time与at the same time和at the time的区别 分别用all the time,at the same time,every time,in time,on time, at the same time与at that moment的区别 at the same time和on the same time有什么区别吗?