请翻译下列短语,并用这些短语造句
1.the pollution fighter
2.many useful things
3.give out harmful gases
4.pass information
5.pass sth to one another
6.collect some facts
7.interview sb about sth
8.be interested in
9.be useful for sth
10.enjoy fresh air
11.one another=each other
12.natural our conditioners
13.cool and clean air
14.communicate with one another
15.be in danger
16.cut down and burn trees
17.destory the pollution figher
18.know a lot about sth
19.warn sb(not) to do sth
20.join their roots together
请造句