Phosphatidalcholine
缩醛磷脂酰胆碱
🗣️ 情景例句
Hi, Peter.
彼得，你好。
I won't buy you story.
我不信你那一套。
'At ten to eight.I bought a paper and waited for the train.'
“7点50分。我买了张报纸，等着车来。”