And the flipper of a penguin for swimming.

企鹅的翅膀则适合游泳。

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。”

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。

But I always just kind of give it the flipper and move on.

但我总是顺其自然，继续生活。

The Brygmophyseter uses its flipper to steer, it is literally rudderless without it.

四贺鲸用它的鳍肢来控制方向，没有它真的就没有方向了。

The toughest part about being a flipper is really the unknown and the what-if.

炒房最困难的部分其实是未知和假设。

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。

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。

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。

The downside risk for a flipper is price declines.

一个炒房者的下行风险是价格下跌。