They need water to keep them crisp.

它们需要水分去保持新鲜和脆生。

youdao

Insects do need water.

昆虫确实需要水分。

youdao

You still need water, but not much.

也许还需要水，但并不是太多。

youdao

The paddocks will need water. Some farmers design paths for animals from different paddocks to drink from a common watering place.

VOA: special.2010.01.19

But we've been so completely socialized into thinking two things: one is that we need water with us all the time; and second we have to buy it.

但如今我们都对以下两个观念习以为常了,第一是我们每时每刻都需要水,第二是我们要花钱买水

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

You need a functional form that connects the value at one state of matter, the freezing point of water to another phase change, the boiling point of water.

你需要一个函数形式来,连接物质某个态对应的温度值，如水的冰点，和另一个相变,如水的沸点。

麻省理工公开课 - 热力学与动力学课程节选

What if your plants could talk and let you know when they need water?

FORBES: When Can Your Plant Talk? Mine Did Yesterday

They will need water for their mills, their power plants and their nearby cotton fields.

FORBES: World Water Day 2013: The Biggest Story of Our Lifetime is Water

For that you need water and also electricity to power the lights and machines.

BBC: Wounded children look for hope