Welding backing
[化] 焊接衬垫
🧩 词语组成解析
a. 焊的\\n[机] 熔接, 焊接, 锻接
backing
[['bækiŋ]]
n. 后退, 衬背, 后援, 支持者\\n[化] 衬垫
🗣️ 情景例句
your reasons for wanting an animal.
你要养动物的原因。
It's quite cold today.
今天天气相当冷。
Did she learn all by herself? How clever.
她全是自己学会的吗？多么聪明啊！