Planetesimals
(planetesimal 的复数) n. 星子, 小行星体
🗣️ 情景例句
I'm afraid I'm a poor talker.
我这个人恐怕不善言谈。
That house is for sale.It has central heating.
那幢房子是待售的，它有中央暖气系统。
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。