它们靠卷尾在海草或珊瑚上来固定自身，用细长的吻部吸入浮游生物和漂游的小甲虫类。
They anchor themselves with their prehensile tails to sea grasses and corals, using their elongated snouts to suck in plankton and small crustaceans that drift by.
作品主要讲述了一名水手船只遭到破坏，孤身乘坐木筏在海上漂游的故事。 小说情节激动人心。
This subject relates the thrilling experience of a sailor shipwrecked and afloat on a raft on the ocean.
另外中国也是世界上二氧化硫排放最多的国家，由此产生的酸雨正在侵蚀韩国和日本的森林面积，甚至日本渔民也受到了中国环境污染问题引起的影响：大型海蜇在漂游到日本北部之前会先在中国沿海产卵，这破坏了大麻哈鱼和黄鱼的捕捉，渔网和轮桨也因此受损。
The country is also the world's biggest emitter of sulphur dioxide. The resulting acid rain is damaging Korean and Japanese forests.
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