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
The book is worth reading.
这本书值得一读。
Eat to please thyself, but dress to please others.
吃是使自己受用，穿是使别人受用。
As long ago as the fourteenth century,
早在14世纪，