Plumbsol
银钖软焊料
🗣️ 情景例句
You know it isn't true.
你心里明白那不是真的。
What do you do at work?
你上班干些什么？
Let us suppose that you are preparing a meal and keeping an eye on the baby at the same time.
假设你在做饭，同时又在照看孩子。