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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
He has put the Bonn government in an embarrassing position...
他将波恩政府置于窘地。
This area of former farmland was worked as a gravel pit until 1964.
这块过去曾是农田的地1964年前一直被用作沙砾坑。
I was really rather fond of Arthur.
我还真的很喜欢阿瑟。
The side tracks off the tarred road were rutted and uneven...
柏油路面两边的辅道上布满车辙，凹凸不平。
There can never be any legitimate basis for police officers to fit up suspects they 'know' to be guilty.
警官诬陷那些他们“知道”犯了罪的嫌疑人是根本没有任何法律依据的。
All at once, Mick's serious expression softened into a grin...
米克严肃的表情一下子变成了笑脸。
I asked Laura what was wrong and she told me to mind my own business.
我问劳拉发生了什么事，她让我少管闲事。
They say things should be better now that they have streamlined application procedures.
他们称鉴于他们已经简化了申请手续，情况应该会有所好转。
Few men would have bared their soul to a woman as he had.
很少有男人能像他一样对一个女人敞开心扉。
She had a burning desire to wreak revenge.
她复仇心切。