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...a dolphin's dorsal fin.是什么意思？

...a dolphin's dorsal fin.

海豚的背鳍

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
Oh Boy! Just think what I could tell him.
哇，好家伙！想想看我会告诉他什么。
She picked up her bag, and went on her way.
她提起包继续赶路。
The leaves were budding on the trees below.
下面的树正在发芽。
...the labour of seeding, planting and harvesting...
播种、种植和收割的辛勤劳作
Mrs King went to the big black stove and ladled out steaming soup.
金太太走到黑色的大炉子前，舀出热气腾腾的汤来。
People will work themselves up into a state about anything.
人们总会沉不住气，为任何事感到担忧。
Julie Burchill is famous for her precocity and rapier wit.
朱莉·伯奇尔因其早慧和机敏而闻名。
He crossed the line three seconds clear of Tom Snape.
他领先汤姆·斯内普3秒冲过终点线。
She mourned for the beloved past.
她怀念美好的过去。
Chris was also the best player on the park.
克里斯同时也是场上的最佳球员。