Prewelding
预焊
🗣️ 情景例句
Jogging is good for your health.
慢跑有利于你的健康。
Sorry to keep you waiting.
抱歉让你久等了。
By the way, before leaving this subject, I would like to add a few comments.
在结束这个问题之前顺便一提，我希望能再提出一些看法。