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1·The seal's flipper is homologous with the human arm.

海豹的鳍肢与人类的手臂同源。《牛津词典》

2·Amazon dolphins bear little resemblance to our beloved Flipper.

亚马逊河豚和我们钟爱的鳍状肢动物一点儿都不像。

3·The green sea turtle, could only swim around in a very limited range because she only had one flipper.

这只绿海龟只能在很有限的范围里游，因为她只有一只鳍。

4·There is not much that the turtle can do about this without compromising the aerodynamic shape of the flipper.

如果海龟没有符合流体动力学结构的鳍的话，他们也不能解决这个问题。

5·The leatherback accomplishes this by arranging the blood vessels in the base of its flipper into a countercurrent exchange system.

棱皮龟通过将鳍状肢底部的血管排列成逆流交换系统来完成这一过程。

6·What you doing down there, flipper bird?

你在下面干嘛，小小鸟？

7·A flipper or flattened appendage of certain animals.

某些动物身上的鳍状肢或扁平附肢。

8·An anterior appendage, such as a leg, wing, or flipper.

前肢，上肢动物前部的附肢，如前腿、前翅、前鳍等。

9·Reptiles, inhabit, species, leatherback, flipper, lung, shell, predator, hatch.

爬行动物，居住，物种，棱皮， 脚蹼，肺，贝壳， 捕食，孵化。

10·A dolphin swims up to them and lies directly next to them, waving with his flipper!

海豚游向他们并直接躺在他们旁边，挥舞着鳍状肢！

鳍

1·There is not much that the turtle can do about this without compromising the aerodynamic shape of the flipper.

如果海龟没有符合流体动力学结构的鳍的话，他们也不能解决这个问题。

2·Not only that, but when a wave threatened to return the seal to danger, the humpback used its massive flipper (at five metres, the longest in the animal kingdom) to nudge it back on.

不仅如此，当一个浪头即将把海豹扫回险境之时，座头鲸还利用它的巨大的鳍状肢(五米长，动物王国中最长的)把它轻轻地推了回来。

3·When this inland sea retreated, Hamilton hypothesizes, the Amazon dolphins remained in the river basin, evolving into striking creatures that bear little resemblance to our beloved Flipper.

哈密尔顿推测，当这片内陆海退去，亚马逊河豚却留了下来，逐渐进化为一种恐怖动物，与我们钟爱的鳍状肢动物，外貌上已大相径庭了。

4·An anterior appendage, such as a leg, wing, or flipper.

前肢，上肢动物前部的附肢，如前腿、前翅、前鳍等。

脚蹼

1·Reptiles, inhabit, species, leatherback, flipper, lung, shell, predator, hatch.

爬行动物，居住，物种，棱皮， 脚蹼，肺，贝壳， 捕食，孵化。