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There are more
cars on the road.
litter v. 乱扔
n. 垃圾
rubbish ,waste
垃圾,废弃物
People should throw away litter in the bin.
n. 垃圾箱
1a
Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.
noise pollution
____________
____________
____________
____________
air pollution
___________
___________
___________
__________
water pollution
____________
____________
____________
____________
loud music
planes
mobile phones
factories
cars