Phosphocholine
胆碱磷酸
🗣️ 情景例句
He's just fooling around.
他用情不专。
He wants to change his appointment from Monday to Wednesday.
他想要把他的约会从星期一改到星期三。
Of course.I think there are a few in that box.
当然可以。我想那个盒子里有一些。