✔ 最佳答案
An idiomatic way of saying 3分鐘後給你 :
I'll give it to you in three minutes.
2014-07-21 11:53:26 補充:
Examples of "later" (adverb):
I'll give it to you later.
I'll give it to you later tonight.
(past event)
He came to her and asked to borrow her camera. She hesitated at first but gave it to him three minutes later.
(note: "in three minutes" can't be used in past event)