Trisalt
[医] 三酸盐
🗣️ 情景例句
Yeah? What was it?
是吗？ 是什么惊喜？
While you were writing letters,I was reading a book.
当你正在写信时，我正在读一本书。
Last Tuesday he received a letter from the local police.
上星期二他收到当地警察局的一封信，