Nonmetamorphic
adj. 非变质的
🗣️ 情景例句
He's busy preparing for class.
他忙着准备功课。
I ask him to wait a few minutes.
我要求他等几分钟。
When you come to think about it, there are only four ways you can deal with rubbish: dump it, burn it, turn it into something you can use again, attempt to produce less of it.
倾倒、焚烧、把垃圾变成再生材料或试图少产生一些垃圾。