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
And when I got married.
也跟我结婚时一样。
It is my job to introduce the foreign guests who will be spending the week with us here.
我的责任是介绍这些将与我们共度这一周的外国客人们。
He wants to ride the machine like a bike and fly it like a plane.
他想让机器可以像自行车那样骑，可以像飞机那样飞。