Biochar
生物炭
🗣️ 情景例句
OK, let's take a look.
好了， 让我们来看一看。
I'll have studied English for four years next March.
到明年三月，我就学了四年的英语了。[将来完成时，表示将完成…，会做完…]
I'm sick of it.
我都腻了。