She says actually getting her ROV to move through water well was not easy.

她说，能真正让她的遥控潜水器在水中顺畅移动并不容易。

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She got to work building something that could help solve the problem: a remote-operated vehicle, or ROV. Her ROV can move through water and find plastics on the ocean floor.

她开始着手构建一些装置来帮助解决这个问题：遥控潜水器。这个装置能够在水里移动，发现位于海底的塑料。

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All radiant energy has wavelike characteristics, analogous to those of waves that move through water.

辐射能有波状特征，这些特征和水波的波状特征相似。

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Cloth sails were used to catch the wind to move a ship through the water.

VOA: special.2009.12.23

But Lampetra's unique propulsion system could also have useful applications, as it has proved an efficient way to move a machine through water.

ECONOMIST: Robots

Unlike scuba fins, which are short and stiff, these extend two feet from my toes and are springy, designed to move the diver through the water with as little effort as possible, conserving oxygen.

WSJ: The Ultimate Breathtaking Dive

Ships spend significant amounts of energy pushing through water as they move forward.

FORBES: Making Go-Fast Boats Go Faster: Radical Shipping Technology