Phosphinyl
氧膦基
🗣️ 情景例句
This is something you'll have to work out yourself.
这就是你必须自己做出决定的事情。
Who is the auther of this novel?
谁是这本小说的作者？
Miss Zhao is one of the most popular teachers in the school.
赵小姐是学校里最受欢迎的老师之一。