watchful
watchful是什么意思，watchful怎么读 语音:
英音 [?w?t?fl]
美音 [?wɑt?f?l]
- 基本解释
- 速记技巧
- 中文词源
- 双语例句
用作形容词(adj.)
- You must be watchful of your health.
你必须注意你的健康。 - They were not very watchful of the traffic lights.
他们并不很注意红绿灯。 - We should be watchful of computer viruses.
我们应该警惕计算机病毒。 - The guard should be watchful during the night.
警卫在黑夜里也应该警醒。