one week later还是one week's later?是one week late还是one week's

One week later和One week's 是one week late还是one week's late? 一周之后,a week later 还是 one week later in one week’s one weeks' time还是 one week's time? 求助英语翻译“One week to the day later”, after one week 's time的意思 in one week's time 造句 简短 in one week's time 到底是在一周之内还是一周之后? plus one week more one more week after one week one tea one seat?