Biodegradation
生物降解
🗣️ 情景例句
So... what do you think of him?
那么……你觉得他怎么样
I bet he's the best.
我敢打赌他是最棒的。
At the end of this period we put the play on in a theatre.
最后我们就在剧场上演这出戏。