Phosphatidic
a. phosphatide（[生物化學]磷脂）的變形
??? 情景例句
We couldn't afford it.
我們當時不夠錢。
My brother came in,changed his clothes,and went out again.
我的兄弟進來了，換掉了他的衣服，并再去外面了。
What are your discount terms?
折扣的條件是什么？