Arsenometry
[化] 亚砷酸滴定法
🗣️ 情景例句
Take it easy, Robbie.
不要太紧张 ，Robbie。
I guess I've outgrown this pair of trousers.
我想这条裤子对我来说小了。
He has made neat paths and has built a wooden bridge over a pool.
他修筑了一条条整洁的小路，并在一个池塘上架了一座小木桥。