Phosphatidalcholine
缩醛磷脂酰胆碱
🗣️ 情景例句
Why are you leaving your present job?
你为什么要放弃目前的工作？
Old friends and old wine are best.
古交友情深，陈酒香味醇。
and content in the thought that what was possible has been done.
想到能做的事都做了，也就坦然了。