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.
生态平衡是一种非常负责又极其微妙的抑制与反抑制的体系。
The balance of nature is a very elaborate and very delicate system of checks and counterchecks.
生态平衡是一种非常负责又极其微妙的抑制与反抑制的体系。
The balance of nature is a very elaborate and very delicate system of checks and counterchecks.
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