And they use their flippers, sort of extended out to the side, to maneuver.

鲸鱼利用从身体两侧伸出的鱼鳍来操控移动方向。”

And we use different silicone gels to create a soft, robotic flipper.

并用不同种类的硅胶制作柔软的机械鳍。

Just get to that lot to help. Many flippers make light work.

过来这边帮忙。脚蹼多了力量大。

And the flipper of a penguin for swimming.

企鹅的翅膀则适合游泳。

Kell is still learning how to maneuver with his giant flippers, which seem more like giant wings.

凯尔还在学习如何驾驭它的巨大鳍足，鳍足看起来像一对巨大的翅膀。

Bones from their flippers are as thick as large rocks.

它们鳍状肢上的骨头和大石头一样厚。

For some reason, they almost always use the right flipper to waft the sand away.

由于某种原因它们几乎一直使用右鳍肢把沙子扇走。

They had flippers like a turtle and long necks like a giraffe.

蛇颈龙的鳍状肢有如乌龟，脖子长如长颈鹿。

They often use simple equipment such as a mask, snorkel and flippers.

通常使用简单的装备，如面罩、呼吸管和脚蹼。

Ryan had to keep his fingers on the flippers except to eat and drink.

除了吃喝，Ryan要把手指一直放在游戏机上。