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
Thank you, that was a great meal.
谢谢，真是一顿好饭。
What's your motherland?
你祖国是哪儿？
It doesn't matter.
没关系。