swivel head

基本解释

In doing that, you automatically swivel your body. And you position your head and shoulders so you are looking directly out.
这样做，你的身体就会自动转向，头和肩膀的位置也会移动，自然向外看。
In the Nature paper, the researchers discovered that the majority of crawling (movement along messenger RNA) occurs during a new kind motion, "head swivel, " rather than ratcheting.
在《自然》的这篇论文中，研究者发现，多数移行（沿信使RNA运动）在一种新的运动中出现，“头部旋转”，而不是发生棘轮。
bbs.instrument.com.cn
C. Adjust light shadow:swivel the torch head can adjust the focus to best condition.
调节灯影；通过旋转灯头可调节光斑最佳；
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It starts to get out of control pretty bad, and I think you learn from that, you learn to keep your head on a swivel.
NPR: Fierce Brawl Mars Canada's 10-3 Win Over Mexico
Throughout, as Sir Georg listened, his bald head with its big ears would swivel from side to side in metronomic time to the music.
ECONOMIST: Saluting Solti
You'll see the arrow pointing on a map where to go, but if you turn your head, that arrow doesn't swivel around to stay pointed in the right direction.
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