所以我们不应该把垃圾扔到地上。

So we should not throw rubbish onto the ground.

youdao

我们即不应该把垃圾扔到地上，也不应该在公共场所吐痰。

We should neither throw litter onto the ground nor spit in a public place.

youdao

当人们把旧机油倒在地上或扔到垃圾里，它会污染环境。

When people pour old motor oil on the ground or throw it in the garbage, it pollutes the environment.

youdao