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Tactical Alert Net 战术警戒网
Detection and Tactical Alert of Radar 侦察与战术雷达警报
Tactical Aircrew Alert Net 战术机组人员预警网
One should not run about aimlessly during an alert. 空袭警报期间不可到处乱跑。
Calculation methods about the effective scope of the anti-aerospace alert net 对空警戒网有效探测范围的计算方法
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。
Be sure to be watchful or alert. 必须留神，千万要提防。
He hit the tennis ball over the net. 他把网球打过了网。
The ball glanced off the goal post into the net. 球撞到球门柱上斜飞入网。
They have put the army on the alert. 他们已使军队进入戒备状态。
The net weight of this jar of coffee is 180 grams. 这瓶咖啡净重180克。
The alert leopard went up to a deer quietly. 警觉的豹子静悄悄地走近一只鹿。
An alert listener will have noticed the error. 耳朵尖的人能听出这个错。
If I lose my job, I've got no safety net. 我丢掉这份工作就无计可施了。
An instance of the use of this delaying tactic. 阻挠议事的情形应用这种拖延策略的实例
The fish tangled in the mesh of the net has died. 那条卡在网眼上的鱼已经死了。
Practise throwing the ball into the net. 练习投篮。
The district was put on red alert during a terrorist bomb scare. 这个地区在得到恐怖主义者轰炸后作了应急准备。
She just tipped the ball over the net. 她刚好把球击过网。