环保

Mom, what's recycling ? 妈，什么是回收？
It's when we try to use old things again. 回收是我们试着再使用旧东西。
We can recycle glass bottles to use them again. 我们可以回收玻璃瓶后，再次使用。
Don't use too much shampoo. 不要用太多洗发精。
It is said that we're running out of clean water. 有人说干净的水快被我们消耗光了。
You're wasting too much water. 你浪费太多水了。
We should save water by trying to use less. 我们应该试着少用点水来节省水资源。
It's not easy to breathe in the city. 在城市连呼吸都不容易。
Smoke from cars is polluting the air. 汽车排放的黑烟汙染了空气。
Bikes don't pollute the air. 自行车不会污染空气
When we ride our bikes, we can reduce our carbon footprint.我们骑自行车的话，可以减少碳足迹。
The Earth is sick now. We need to protect it. 现在地球生病了,我们需要保护它。