Phosphinoso
羟亚膦基
🗣️ 情景例句
We couldn't afford it.
我们当时不够钱。
Have you heard from Marry?
你收到玛丽的来信吗？
One case concerns and eleven-year-old schoolgirl, Vera Petrova,
其中有一例谈到有一个名叫维拉。彼托洛娃的11岁学生。