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第85页

信息发布者：
D
 polluted
increase
 planet
risk
uncomfortable
 rapid
disadvantage
 challenging
dried
 possibility
get ill from drinking cold water
 fly at the speed of light
Compared with your city
is not so crowded
 more and more serious because of the rapid increase of private cars
 feel like we were inside it
ike
nstead
end
iscover 
hallenging
reate
ircles 
omparing 
ifferent
repared
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