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- Sirens sounded the alert for an air raid. 空袭警报的警笛响起
- She is always on the alert for some new calamity. 她总是保持警觉以防某种新的灾难。
- Keep on the alert; we're due for an inspection. 提防着点，轮到检查我们了。
- They have put the army on the alert. 他们已使军队进入戒备状态。
- The alert leopard went up to a deer quietly. 警觉的豹子静悄悄地走近一只鹿。
- Troops are on the alert against any possible aggression. 军队戒备着可能的来犯。
- Dogs are always on the alert wherever they go. 无论在什么地方，狗总是处于警觉状态。
- Together we had done our best to sound the alarm. 我们曾一同竭尽全力发出过警报。
- b]Sirens sounded the alert for an air raid. 空袭报警的警笛响起来.
- They must be constantly on the alert for the enemy. 他们必须随时注意敌人。
- In France we leave unmolested those who set fire to the house, and persecute those who sound the alarm. 在法国，我们对放火烧房子的人置之不理，却处罚敲响警钟的人。
- To be careful or on the alert;take care. 戒备提防或戒备；注意
- When I saw the smoke, I tried to sound the alarm. 看到烟后，我就设法发出警报。
- Indicates the current status of the alert. 指示警报的当前状态。
- It sounded the (death-)knell of all her hopes. 那事听起来就像是给她的一切希望敲起了丧钟。
- "Rough" and "ruff" sound the same. rough. 与 ruff 的发音听起来一样。
- The alert listener will have noticed the err. 耳朵尖的人可以听出这个错误。
- I'll sound the manager on the question of holidays. 我将就假日问题试探经理的意见。
- Secondly, designing the alert correlation model. 报警关联模型的设计。
- The decision sounded the knell of our hopes. 这项决议宣告我们的希望落空。
