🧩 词语组成解析
铅白(颜料)
🗣️ 情景例句
Fine, Somsak. And you?
很好。 Somsak ，你呢？
She's a widow.Her husband died last year.
她是一个寡妇。她的丈夫去年死了。
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，