Phosphatidalcholine
缩醛磷脂酰胆碱
🗣️ 情景例句
and they needed the extra room.
他们需要多一些空间。
I'm brushing my teeth in the bathroom.
我在浴室刷牙。
We also played games on the sand.
我们还在沙滩上做游戏呢。