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汉语拼音：shuǐ néng

蕴藏在自然界水体中的位能、压能或动能。是再生性能源，随着水文循环周而复始，重复再生。水力发电利用的主要是其中的位能，在水能转化为电能的过程中不发生化学变化，不排泄有害物质，对环境影响较小。

• on which water can exist in liquid form of the surface.

  水能以液态的形式存在于其表面的。

• The relationship between the government and public is like that of a ship and water. Water can keep the ship afloat or sink it.

  政府与民众的关系就像是水和舟的关系，水能载舟亦能覆舟。

• At bedtime, he said, he left the door open to make sure water could flow out and didn't drown him.

  他说，睡觉时他开着门，确保水能流出去而不会淹到他。

• While the proposed plan gives them the hose to fight the fire, there still isn't enough water to put it out completely.

  目前提出的计划就好像是水龙带，但现在还没有足够的水能将火势完全扑灭。

• The water can be sucked up near the surface by capillary attraction.

  水能由于毛细管吸力作用而被吸引到靠近道路表面的地方。

• However, unless the area experiences a serious drought, energy from water can always be obtained by means of a hydroelectric power plant.

  但是，除非一个地区经历了一场严重的干旱，否则水能总能通过水力发电站获得。

• The Lanchang river is an international river and its rich water power resources in Qinghai province has yet to be developed.

  澜沧江为国际河流，在青海境内有着极其丰富的水能资源有待于开发利用。

• If you're looking for a world where life might thrive, a planet must be at the right temperature for water to exist in liquid form.

  如果你正在寻找一个可能有生命繁衍的世界，那么这颗行星必须处于适宜的温度下，让水能以液态形式存在。

• The bottom of the well, below the water table, is lined with porous material so the water can seep through.

  因为井底在地下水位下面，所以，在井底铺上渗透材料，以便水能渗透。