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
Take it side again .... OK, and switch. Stretch it out.
再侧身……好 左右交替。尽量伸展。
I'll pick up ticket at the airport counter.
我会在机场柜台拿机票。
Well, we listened to lectures about pollution, agriculture, nuclear waste, radiation and so on.
噢，我们听取有关污染、农业、核废料、辐射等讲座。