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信息發(fā)布者：

one of the world's most important wetlands
provide wildlife with food and cover/provide food and cover for wildlife
                        go there only for a short stay
                make laws to prevent all these things
not many types of cranes left
keep doing sth.
 invite them to help us
changes in their numbers
be active in the daytime
使?jié)竦馗?br>
為了做某事
因此
一年到頭
理解濕地的重要性
給野生生物越來越少的空間
lead to
in order to
the importance of
food and cover
East China
     all year round
a short stay
95 per cent of
made laws
fishing
count and describe
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