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a shark's dorsal fin是什么意思？

a shark's dorsal fin

鲨鱼的背鳍

相关词汇
dorsal fin

dorsal

adj. 背的， 脊的，背部的，背面的；
例句
...a dolphin's dorsal fin.
海豚的背鳍

fin

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
The caudal fin crooked shape, on the leaf is specially developed.
尾鳍歪形, 上叶特别发达.
热门例句
He acknowledged publicly that he might have made a mistake.
他当众承认自己可能犯了个错误。
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。
He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
He sat there while I made the case for his dismissal...
他坐在那儿，听我陈述解雇他的理由。
Baroness Thatcher's claims seem credible to many.
撒切尔女男爵的主张在很多人看来是可信的。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索权当有支付义务的第一方不能支付时，可以向商业票据的背书人要求支付的权力。
相关例句
There was some emotional lability and impulsiveness during the testing.
在测试过程中,患者容易冲动,情绪有时不稳定.
Their names simply didn't register with me.
我对他们的名字简直没有什么印象。
K è q ì not only means considerate, polite, and well mannered, but also represents humbleness and modesty.
客气并不只是包含考虑周详 、 礼貌文雅和举止端详, 还表现在谦逊和谨慎.
a lecture entitled ‘How to Prevent Food Poisoning’
题为“怎样防止食物中毒”的演讲
Where the peasant association is powerful, gambling has stopped altogether and banditry has vanished.
农会势盛地方, 牌赌禁绝,盗匪潜踪.
Alex and Mikhail were in partnership then: Mikhail handled the creative side; Alex was the financier.
亚历克斯和米哈伊尔当时是伙伴关系：米哈伊尔负责创新，亚历克斯是财务主管。
The school board members spend their time disputing and getting nothing done.
学校董事们争论不休，但一事无成。
He quit his job as an office boy in Athens...
他辞去了在雅典当办公室勤杂工的工作。
He laughed heartily at his own joke.
他被自己的笑话逗得开怀大笑。
The study was criticized for incompleteness of data but It'stimulated further research.
这次研究由于数据不完整而受到批评,但它激发了进一步的研究.