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關注:1
2013-05-23 12:21
求翻譯: As well as the disasters caused to the land ecosystem, there have been ones in the water. The most obvious one was the deliberate introduction of European carp(歐洲鯉魚) to the River Murray. The carp were introduced to eat the weeds growing in the river. Now they have taken over much of the river's ecosystem and severely是什么意思?![]() ![]() As well as the disasters caused to the land ecosystem, there have been ones in the water. The most obvious one was the deliberate introduction of European carp(歐洲鯉魚) to the River Murray. The carp were introduced to eat the weeds growing in the river. Now they have taken over much of the river's ecosystem and severely
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