Biodegrading
v. 生物递降分解( biodegrade的现在分词 )
🗣️ 情景例句
Certainly sir, and is there anything else I can do for you?
当然了，先生，请问还有什么我能为你效劳呢？
We go to bed at 10:30.
我们十点半睡觉。
In this way, he has begun his own private 'telephone' service.
就这样，他开始自己的私人“电话”业务。