in two weeks是指两个星期之后还是之内?

in two weeks是指两个星期之后还是之内? in two 是2天之内,还是2天之后. he will come back in two days.是将两天之内回来还是两天之后回来. 两周用英语是说two weeks还是two weeks' 她可以休假两个星期 英文翻译she is()()()two weeks () in an hour 是在一小时之内还是一小时之后? two weeks another还是another two weeks? two-week holiday是等于two weeks' holiday还是two weeks' holidays? in two weeks' time 两个小时之内是for two hours 为什么不是in two hours? We are going to the Sydney Opera House __是in two weeks还是for It‘s two weeks _______ he _______ Shanghai.他离开上海两个星期了