fin
[fɪn]
n.
鱼鳍;
鳍状物;
（汽车、飞机、炸弹上的）尾翅;
散热片;
vt.
给…装上翅片;
切除鳍;
vi.
潜泳;
（猛烈地）拍动（鳍）;
例句:
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a shark's dorsal fin
鲨鱼的背鳍
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The fin-ancial markets gave a muted response to the Democrats' triumph.
金融市场对民主党的胜利反响不大。
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That Leviathan fin, it shivers right through me.
来自NEWYORKER
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a fish's ventral fin
鱼的腹鳍
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Yellow-fin tuna join the sharks and begin eating the mackerel.
来自UNESCO
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Conservation groups say the humpbacks and fin whales are threatened species.
来自VOA
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A fish uses its fins to balance and steer itself.
鱼用鳍来平衡和驱动身体。
来自《权威词典》