两天以后用英文怎么说

"两天以后" 用英语可以说成 "in two days' time" 或 "in two days".

"in two days' time" 是 "in" + "two days'" + "time" 的组合，表示在两天之后的时间。

"in" 是一个介词，意思是 "在"。

"two days'" 是 "two days" 的所有格形式，意思是 "两天的"。

"time" 是 "时间"的意思。

例句:

I'll see you in two days' time. (我两天后见你)
The meeting is scheduled for in two days. (会议安排在两天后)

"in two days" 是 "in" + "two days" 的组合，表示在两天之后的时间。

例句:

I'll be back in two days. (我两天后回来)
The concert is in two days. (音乐会两天后)