Welding with backing
[化] 衬垫焊; 垫板焊
🧩 词语组成解析
a. 焊的\\n[机] 熔接, 焊接, 锻接
with
[wɪð]
prep. 和，跟;随着;关于;和…一致;
backing
[['bækiŋ]]
n. 后退, 衬背, 后援, 支持者\\n[化] 衬垫
🗣️ 情景例句
Tell me the courses you have completed in school and what is your favorite subject?
你曾修读哪些课程和你最喜欢哪一科？
I really regret it.
我真的非常后悔。
Oh, doctor. He seems terribly ill. Are you sure it's nothing serious?
噢，医生。他似乎病得很厉害。你肯定不是什么大病？