學個詞 Learn A Word: ratchet up 激化、加劇

今天我們要學的詞組是ratchet up。Ratchet up，意思是激化、加劇 。North Korea's foreign minister ratcheted up tensions, saying his country had the right to shoot down U.S. planes even outside North Korean airspace. 朝鮮外交部長加劇了緊張關系，稱他的國家有權利擊落美國飛機，即使是在朝鮮領空之外。Turkey announced that it had finalized a multibillion-dollar purchase of Russia's most sophisticated surface-to-air-missile system, which has ratcheted up tensions with the NATO military alliance to a new level. 土耳其宣布，已經(jīng)完成了一筆數(shù)十億美元的交易，購買俄羅斯最尖端的地對空導彈系統(tǒng)，這使其與北約軍事聯(lián)盟的緊張關系進一步激化。好的，我們今天學習的詞組是ratchet up, ratchet up, ratchet up...