乱扔垃圾
1.throw
litter
about
2.drop
litter
3.throw
rubbish
about
4.litter
everywhere
不要乱扔垃圾
1.Don't
litter
2.garbage
here
别到处乱扔垃圾
保护环境
1.to
protect
the
environment
2.environmental
protection
3.protect
the
environment
4.Protection
of
Environment
如何保护环境
1.How
to
Protect
the
Environment
乱扔垃圾,用一个单词就可以表示:littering
保护环境:protect
the
environment