1·Because the flippers are comparatively thin and blade-like, they are the one part of the leatherback that is likely to become chilled.
棱皮龟的脚蹼比较薄并且呈刀片状，因此，它们就是棱皮龟身体中有可能被冻住的部位。
2·We find a furry mound of them lolling on a beach on a remote island, but they are more intent on sleeping and scratching themselves with their flippers than making a concerted assault on our zodiacs.
在一处偏远的海岛上，我们发现毛茸茸的海象们懒洋洋地躺在海滩上，它们似乎更乐意睡觉，或用脚蹼为自己抓痒，而无意集合起来向我们的橡皮艇发起攻击。
3·They shed heat through the undersides of their flippers and through their legs and feet, as well as by fluffing their feathers and panting.
企鹅通过抖动羽毛和喘气，还有翅膀内侧、腿和脚蹼等部位散发热量。
4·Experiments are made on the propulsive performance of five kinds of practical flippers with the circulating water channel and the planar motion mechanism.
作者应用循环水槽和平面运动机构，对五种实用脚蹼推进性能作了国内首例比较试验研究。
5·He affixed numbered bands to their flippers, placed the Adélies in cloth bags, and had them flown halfway across Antarctica to McMurdo Sound, on the Ross Sea.
理查德在企鹅的脚蹼上绑了带子，并将它们置于布袋里，在飞越南极洲的半路上，来到罗斯大海处的麦克默多海峡。
1·We have several guests today, including one with wings, flippers, and fins.
我们有几个客人今天，其中包括与翅膀，蛙鞋，和鱼翅。
2·Do you rent masks and flippers?
你出租面罩和蛙鞋吗？