over ( )years ago, there were no humans here. 用two million还是millions of,为什么?
over ( )years ago, there were no humans here.
用two million还是millions of,为什么?
人气：132 ℃ 时间：2020-01-28 22:12:52
解答
over (two million) years ago, there were no humans here.
因为前面用了over,后面就一定用具体的数字
如果没有over,就要说millions of years ago
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