音频里的词，词组和例句

Pleasedon't litter. 请勿乱扔垃圾

litter, rubbish, garbage, trash, waste, 这些都叫垃圾，听完你就知道区别

rubbish bin/bag

garbage can

trash can

rubbish sorting, waste sorting 

re-  prefix: again

reuse

We can reuse the box for yourtoys. 

recycle

recycled paper

The notebook is made of recycled paper.