You can preset the radiators to come on when you need them to.

你可以预先调好暖气，使它在你需要的时候启动。

《牛津词典》

Aloud he added, "Why don't you need them any more?"

他大声地继续说道：“你为什么不再需要它们了呢？”

youdao

youdao

ERIC: No, you need the mitts.You need them.

VOA: standard.other

If they're not obvious to you what they're called, you need to just study them and learn them.

如果它们不想它们的名字那么显而易见，你们需要学习它们记住它们。

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You either need to implore them to behave differently, you need to coerce them to behave differently, or you need to educate them to behave differently.

你要么乞求他们改变自身行为,要么强迫他们改变自身行为,或者你需要教育他们来改变自身行为

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Realize, too, that there are others who need you almost as much as you need them.

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You can even add a couple of extra sensors and actuators if you need them.

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Google's infrastructure will ensure that our tools are always ready, right when you need them.

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