Backweld
背焊縫
??? 情景例句
Right. Would you give me room service, please?
好。請接房間服務部好嗎？
I've forgotten what he said his address was.
我忘記了他說他的地址是什么。
The study of custom can be profitable only after certain preliminary propositions have been accepted,
只有在某些基本的主張被接受下來、同時有些主張被激烈反對時，