海豹、海龟、企鹅均有鳍状肢。
除了头部和鳍状肢外，棱皮龟的全身都有鲸脂保护。
Insulation protects the leatherback everywhere but on its head and flippers.
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。
The leatherback accomplishes this by arranging the blood vessels in the base of its flipper into a countercurrent exchange system.
亚马逊河豚和我们钟爱的鳍状肢动物一点儿都不像。
Amazon dolphins bear little resemblance to our beloved Flipper.
鳍状肢可能确实是水生生物的必要反应，海龟、鲸鱼和儒艮也有鳍状肢。
Flippers may indeed be a necessary response to aquatic life, turtles, whales, and dugongs also have them.
实际上，海龟的鳍状肢里是有骨头的。
灰姑娘穿什么去舞会？玻璃鳍状肢。
What did the Cinderella fish wear to the ball? Glass flippers.
某些动物身上的鳍状肢或扁平附肢。
海豚游向他们并直接躺在他们旁边，挥舞着鳍状肢！
A dolphin swims up to them and lies directly next to them, waving with his flipper!
断奶后褪去一身绒毛的海豹被称为打手，因其总是在水上拍打它们的鳍状肢。
Seals that are weaned and have shed their downy fur are called beaters for the way they beat their flippers on the water.
有鳍状肢的属于鳍脚亚目动物的，肉食水生动物的一个分支，包括。
Of or belonging to the Pinnipedia, a suborder of carnivorous aquatic mammals that includes the seals, walruses, and similar animals having finlike flippers as organs of locomotion.
上龙被认为是一种埋伏型猎食者，使用它们巨大的鳍状肢发动凶猛的进攻。
Pliosaurs are thought to have been ambush predators, using their giant flippers to launch ferocious attacks.
(没有死亡的鳍状肢)想的足够了，但是真正的挑战在千禧年之际她试图测序样品开始。
(no Flippers were killed.) Tricky enough, but the real challenge began when she tried sequencing the samples on turn-of-the-millennium hardware.
允许游泳运动员的鳍状肢臂技术集中精力，因为它能有效运作的每一踢，帮助保持发展势头。
Flippers allow the swimmer to concentrate on arm technique because it improves the efficiency of each kick, helping to maintain momentum.
这仅仅是因为那些拯救地球的人长有脚而不是鳍状肢，他们呼吸空气而不是水，他们自称为绿色主义者而不是蓝色主义者。
Simply because those who would save the planet have feet and not flippers, and breathe air rather than water, they've called themselves greens rather than blues.
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。
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.
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。
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。
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.
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