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海豚的背鳍用英语怎么说？

海豚的背鳍

...a dolphin's dorsal fin.

相关词汇
dorsal fin

dorsal

adj. 背的， 脊的，背部的，背面的；

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）；
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
The three leading contenders were locked in a dogfight.
三名领先的竞争者陷入一场鏖战。
We never close the door on a successful series.
我们从不把成功的系列节目拒之门外。
...docile, obedient children...
温顺、听话的孩子
He looked across at Jackson, doodling on his notebook.
他一边朝杰克逊看过去，一边在自己的笔记本上乱涂乱画。
The regime is dogmatic, and no one dares to express personal opinions.
该政权很专制，没有人敢表达个人意见。
He stands for freeing the country from the grip of dogma.
他主张将国家从教条的控制下解放出来。
They are going from door to door collecting money from civilians.
他们挨家挨户地向百姓收钱。
We dodged behind a pillar out of sight of the tourists.
我们躲到柱子后面，避开了观光者的视线。
Hannah looked up to see David and another man standing in the doorway...
汉娜抬头看见戴维和另一个男的站在门口。
The clerk asked me to sign the docket.
店员让我在单据上签字。
...a doddering old man making his will before he's too senile.
趁尚未老糊涂之前立下遗嘱的年迈老者
What about the odd chance that you do put an innocent man in the dock?
若是你真的把一个无辜的人送上被告席了呢？
Why are people so full of gloom and doom?...
为什么人们如此沮丧悲观？
He denied that his country wants to dominate Europe...
他否认他的国家想要控制欧洲。