查询词典 dorsal

The geometric features of the body and locomotive characteristic and parameters of the flexible dorsal fin are discussed.

以依靠长背鳍推进的"尼罗河魔鬼"为研究对象，对弓鳍目模式推进进行了研究。

Predatory black and white toothed whale with large dorsal fin common in cold seas .

黑食肉有牙齿和大型背鳍的鲸；常见于寒冷的海水中。

They have a dark, enlarged dorsal fin and a small mouth with fine teeth on both jaws.

他们有黑、扩大背翅特别是男性）对这两个下巴细齿的小口。

When a female enters a territory, males court her with displays of the dorsal fin.

女性进入了一个全港，男性法庭她与显示的背鳍。

It was blooding as the shark's dorsal fin was cut off.

鲨鱼的背鳍处被砍下了后在流血。

Her dorsal fin and her flippers are very large for such a small delicate dolphin.

她的背鳍和胸鳍很大。

The male's dorsal fin can be as tall as a man.

它们在海中巡视等待攻击机会。

Bony freshwater fish Amia calva of central and eastern North America , with a long , spineless dorsal fin .

弓鳍鱼北美洲中部和东部的一种原始，多骨的淡水鱼，具有长的无脊的背鳍

The shark's dorsal fin was cut off by the fishman.

鲨鱼的背被渔夫割了下来。

Now he speeded up as he smelled the fresher scent and his blue dorsal fin cut the water.

它闻到了这新鲜的血腥味，此时正加快了速度，蓝色的脊耆划破了水面。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。