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鲨鱼的背鳍用英语怎么说？

鲨鱼的背鳍

a shark's dorsal fin

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。
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。
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。
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
Congress has to bend to his will...
国会不得不屈从于他的意志。
I had to admire David's vow that he would leave the programme.
戴维发誓要离开这个项目，我不得不对他表示钦佩。
...a plan to preserve the world's tropical forests.
保护世界热带雨林的计划
copper backing
铜垫片, 铜衬底
This year he has left for St Louis early to acclimatise himself.
今年他早早地前往圣路易斯以便适应新环境。
The smallest deflection of the missile could bring disaster.
导弹有极微小的偏斜也可能酿出大祸.
The crowd dissipated.
人群散去了。
The railroad traverses the Continent from East to West.
铁路东西横贯北美大陆.
Such endemics have been termed epibiotics.
这样的特有种称为活化残遗种.
The diagnosis was devastating. She had cancer.
诊断结果令人震惊：她得了癌症。