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观光客常常破坏岛上微妙的自然生态平衡。
Tourists often disturb the delicate balance of nature on the island.
《牛津词典》
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自然生态平衡，人体就会自然健康！
Natural ecological balance, the human body naturally healthy!
youdao
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自然生态平衡，人体就会自然健康！
Natural ecological balance, the human body naturally healthy!
youdao