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
That's fantastic!
真了不起！
None preaches better than the ant, and she says nothing.
蚂蚁不说话，但最善于说教。
Shopping, too, is always a pleasure.
买东西也是一种乐趣。