Echothiophate
[医] 二乙氧膦酰硫胆硷
🗣️ 情景例句
I think it's time for the wedding to begin.
我想是婚礼可以开始的时候了。
Little strokes fell great oaks.
水滴石穿。
Is that tin of tobacco for me?
那听烟丝是给我的吗？