swivel
swivel 英 [ˈswɪvl] 美 [ˈswɪvəl]
n. 转环；转椅座架 vt. 使旋转 vi. 旋转
进行时:swivelling 过去式:swivelled 过去分词:swivelled 第三人称单数:swivels 名词复数:swivels
- A swivel is a device that allows something to turn freely. Desk chairs are often designed so the seat can swivel atop the base. In the hospital, the TV is usually mounted on a swivel so that patients can adjust it.
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- n. 转环；转椅座架
- vt. 使旋转
- vi. 旋转
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1. Also, the scoops swivel out of the way if they encounter anything solid, so the dredge does not destroy such protuberances.
同时，如果半球铲子遇到任何坚实的固体，会旋转起来而不至于撞坏海底岩 石等隆起物。
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2. Are you sitting in a swivel office chair as you read this article?
你现在正坐在旋转办公椅上看这篇文章么？
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3. Ospreys specialise in catching slippery fish. Unlike other birds-of-prey, they have four powerful toes of about equal length, while the outer one is reversible and can swivel backwards or forwards.
通过对以光滑鱼为猎食的鱼鹰进行研究发现，它不象其它的食肉鸟类，它有四只同样长而非常有力的爪，并且最外边的一只是可以钩回和前后旋转。
- swivel (n.) c. 1300, "coupling device that allows independent rotation," from frequentative form of stem of Old English verb swifan "to move in a course, revolve, sweep" (a class I strong verb), from Proto-Germanic *swif- (source also of Old Frisian swiva "to be uncertain," Old Norse svifa "to rove, ramble, drift"), from PIE root *swei- (2) "to turn, bend, move in a sweeping manner."
- swivel (v.) 1794 (transitive), from swivel (n.). Intransitive use from 1846. Related: Swiveled; swiveling; swivelled; swivelling.
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