This avoids the use of a traditional propeller shaft and puts the propellers in a clear flow of water, which greatly improves efficiency.

这样就避免了使用传统的螺旋轴，将螺旋桨置于干净的水流中，从而大大提高了效率。

youdao

Deliver your words like a flow of water. Speak to the point, be clear and maintain continuity.

你的话语要像流水一样顺畅，语言要中肯、简洁，并保持连贯性。

youdao

At this moment, you feel that the streets as clear as the river, the gurgling flow, waiting for your foot out of bursts of water spray.

这种时刻，你觉得那街分明像河流一样，潺潺地流动着，等着你的脚踏出阵阵水花。

youdao