watchful
英 ['w?t?f?l; -f(?)l]
美['wɑt?fl]
- adj. 注意的；警惕的；警醒的
考試真題
- 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.
2017年高考英語天津卷 閱讀理解 閱讀C 原文