| alertness | |
| 级别 | 附加级 |
| 音标 | [ ə'lə:tnis ] |
| 解释 | n.警觉 |
| 英英释义 | |
| 发音 |  |
| 例句 |
1. Alertness, calmness, courage: he could see them all in the youngster's face. 机警，镇定，胆量，都摆出在这年青人的脸上。 来自子夜部分 2. We must maintain a military standard, an alertness, and never vary it. 我们必须保持军队的准则，应当随时注意，切勿随时变动。 |
