replay和answer有什么区别

replay是重新播放的意思，而answer则是回答的意思，区别可以从以下例子看出：

I don't get what is his answer, can you please help me to reply the tape, so I can get it properly, then make solution. 我不明白他的回答是什么，你能不能帮我重新播放一下录音带，这样我才能正确地得到它，然后解决。