Phosphinous acid
[化] 三价膦酸
🧩 词语组成解析
🗣️ 情景例句
I can't put it strongly enouth, I need to make a sale before the end of the week.
我郑重宣布，我要在本周末前搞一次大减价。
This is Lesson One.
这是第一课。
No, it isn't. I think it's her eraser.
不，不是我的。我想那是她的橡皮擦。