Biosynthetic
a. 生物合成
🗣️ 情景例句
Sorry, Marilyn.
对不起 ，Marilyn 。
The sky is getting very cloudy.
天空的云越来越多了。
An Indian came into the waiting room, and walked quickly to the doctor's door.
一个印度人走进候诊室，快步朝医生的门口走去。