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首页英语词典watchfulwatchful考试真题

watchful

英 ['wɒtʃfʊl; -f(ə)l] 美['wɑtʃfl]

英英释义考试真题实用场景例句

adj. 注意的；警惕的；警醒的

考试真题

An assumption behind UK insurance for driverless cars, introduced earlier this year, insists that a human "be watchful and monitoring the road" at every moment.