Phosphatidalcholine
缩醛磷脂酰胆碱
🗣️ 情景例句
You and Alexandra
你和Alexandra
What kind of newspapers do you read?
你读什么样的报纸？
Lily was born ten minutes before me,so she says,I'm older than you! So I must open the present!
“我比你大！应该由我来拆礼物包！”