> 英语 >
it is 600 years since the first clock with a face and an hour hand was made.中since能换成before吗?
人气:119 ℃ 时间:2020-03-29 16:58:48
解答
不能.since指自从...,before指.之前.刚好相反
推荐
猜你喜欢
© 2025 79432.Com All Rights Reserved.
电脑版|手机版