Oxypropionic acid
[医] α-羟基丙酸, 乳酸
🧩 词语组成解析
🗣️ 情景例句
When do you need the volunteers,
你们什么时候需要义工
Let's give him a big hand.
让我们热烈鼓掌。
We swam and dived off the rocks into the sea.
我们从岩石上跳进海里游泳。