The ships would tow hydropower generators consisting of two wing-like underwater blades that would be made to oscillate by the force of the water as they plough through it.

帆船拖动由水下翼状式叶片组成的二个水力发电机，叶片摆动是借助水流过的冲力。

youdao

Sea butterfly: a swimming predatory Marine sea snail. They have two wing-like outgrowths (lower right) derived from their foot, which they continually flap to swim through the water.

海蝴蝶：一只正在游动的食肉性海蜗牛。它们拥有像翅膀一样的由足进化而来的侧翼(位于右下方)，并靠拍打侧翼在水中前行。

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I looked at the chicken wings, swallow the water, a chicken wing, three people, for who?

我又望了望那个鸡翅，咽了口口水，一个鸡翅，三个人，给谁吃呢？

youdao

Once again, they seemed to prefer to kick rather than run with the ball, while Ugo Monye, playing out of position at full-back, looked like a fish out of water until switched to the wing.

BBC: England 16-9 Argentina

As the craft moves forward, the flow of water over the curved side pulls the wing downward.

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Powered by solar energy with access to well water, the home has a separate guest wing, four fireplaces, a three-car garage and pool with spa.

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