查询词典 dorsal fin

Distinctive black marking on the dorsal fin indicates that it is a female.

慢慢的小罗的背鳍上会有黑色的斑纹出现。

The length of the dorsal fin is characteristic of Cichlids but these fish do not look like the discus.

背鳍的长度是丽鱼科鱼的特征，但图中的这些鱼看上去不像七彩，反倒更像Apistogrammas。

We all know the balance of dorsal fin in fish organs nature does not

众所周知，背鳍是鱼类的平衡器官，自然界中没有

Therefore no dorsal fin eggs planted in the Gold

因此，没有背鳍的蛋种在金

Thin deep-water tropical fish 20 to 30 feet long having a red dorsal fin.

纤细身体的热带鱼，体长达20至30英尺，有红色的背鳍。

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。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。