Weld preparation
[化] 焊缝坡口加工
🧩 词语组成解析
weld
[wɛld]
vt.& vi. 焊接;使紧密结合;
n. 焊接点;黄色植物染料;
🗣️ 情景例句
This sentence doesn't make any sense.
这个句子完全讲不通。
He is playing on the slide over there.
他正在那边溜滑梯。
It's against the law!
那是违法的！