Phosphocholine
胆碱磷酸
🗣️ 情景例句
How about today?
今天怎么样？
I'd like to make a reservation to Los Angeles for next Monday.
我想预定一张下周星期一去洛杉矶的飞机票。
he has just bought a new house in the city,
他刚在城里买下一所新房子，