Alertness
[ [ə'lə:tnis] ]
出国 Abroad
n. 警戒, 机敏
✅ 同义词
📖 牛津释义
alertness
n [U].
🗣️ 情景例句
Where did you go to school?
你在哪儿上学？
When an opportunity is neglected, it never comes back to you.
机不可失，时不再来。
She looked everywhere for him but could not find him.
四处寻找，但没有找着。