英语词汇“alertness”的意思、释义、用法及双语翻译-时代网

词汇	alertness
释义	noun Sleep deprivation could affect mental alertness. With a real threat of ambush, the crews remained at a high state of alertness.
随便看	Law-topic provisional licence Law-topic provisional licence Law-topic public defender Law-topic public defender Law-topic public prosecutor Law-topic public prosecutor Law-topic punishable lay a guilt trip on lay a guilt trip on sb lay a guilt trip on somebody lay a hand/finger on somebody lay a hand on lay a hand on sb lay a hand on somebody lay an egg lay aside lay aside something lay aside sth lay a trap lay at the door of layaway lay bare lay bricks lay bricks/carpet/concrete/cables etc lay by 此一时, 彼一时此一时，彼一时此事此人此他此伏彼起此刻此前此后此君此呼彼应此唱彼和此地此地无银三百两此处不留人，自有留人处此复此外此岸此恨绵绵此据此时此时无声胜有声此次此生此番

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