Backing weld(ing)
[化] 打底焊
🧩 词语组成解析
backing
[['bækiŋ]]
n. 后退, 衬背, 后援, 支持者\\n[化] 衬垫
🗣️ 情景例句
Littering is a serious offense in some countries.
乱扔垃圾在某些国家是严重的违法。
Who is this?I don't recognize your voice.
你是谁?我不认出你的声音。
New York is built on a group of islands on the east coast of the USA at a point where several rivers flow into the ocean.
纽约市建立在美国东海岸的一群岛屿上，那儿是好几条河流入海的交汇点。