The sea urchin , in water , gnaws away at encrusting algae .

海胆在啃食身体外的藻类植物。

Corals get the credit for most of the reef structure , but much of the construction is done by fast-growing , encrusting red algae .

珊瑚因大部分礁石结构而得名，但很大一部分建筑工作是由快速生长的成薄壳状红藻完成的。

During the summer , after the ice encrusting the amur river melts , russian tourists are now travelling to china from the attractive russian town of khabarovsk .

每逢夏季，在包裹阿穆尔河的坚冰消融之后，许多俄罗斯人会乘坐发出飕飕声响的水翼艇，从风景宜人的哈巴罗夫斯克市出发，赶赴中国旅游观光。