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 fifth word is seven.
第五个字是七。
Every bean has its black.
人人有其缺点。
Let me pick it up for you.
我替你捡起来吧。