Usually, caps keep the head warm.

通常情况下，帽子能使头部感到温暖。

youdao

All I must do is keep the head clear.

我只消保持头脑清醒就行。

youdao

Keep the head, neck, and sping in the straight line.

保持头部，颈部脊柱在一条直线上。

youdao

The C stands for cover. Wear a hat and scarf to keep heat from escaping through the head, neck and ears.

VOA: special.2009.12.23

But when we're thinking about actual wave behavior of electrons, it's just important to keep in the back of our head that some areas have positive amplitude and some have negative.

电子的波动行为时,我们，要记住,某些地方是正的,某些地方是负的,当我们讲到。

麻省理工公开课 - 化学原理课程节选

and maybe, you know, somewhat into the future, but just always keep your head up

也许想想未来，但是总是昂起头。

不要放弃 - SpeakingMax英语口语达人

In cool, blustery conditions on a course with water hazards at nearly every turn, the strategy was to keep the head down and keep big numbers off the scorecard.

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That helps explain why the SNP has already promised to keep the Queen as head of state and the pound sterling as Scotland's currency.

BBC: SNP treads 'road to independence'

In Singapore, we'd do the high-end design work and keep marketing and the head office.

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