學(xué)個詞 Learn A Word: 3278 ratchet up 加壓、勒緊

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ratchet 是一種單向轉(zhuǎn)動的棘輪裝置，ratchet up 就是加壓、勒緊的意思。

The United States ratchets up pressure on Venezuela, imposing sanctions and revoking the visas of high-ranking officials. 美國加大對委內(nèi)瑞拉的壓力，對其實施制裁并取消其高級官員的簽證。

Venezuela expelled a group of visiting European lawmakers Sunday, ratcheting up political tensions over the leadership crisis. 委內(nèi)瑞拉驅(qū)逐了一組來訪的歐洲醫(yī)院，加劇了該國領(lǐng)導(dǎo)人危機帶來的政治緊張局勢。

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