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- One should not run about aimlessly during an alert. 空袭警报期间不可到处乱跑。
- 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。
- A small adjustment will equalize the temperature in the two rooms. 稍作些调节就会使两间房内的温度相等。
- 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。
- There is an imperceptible change in temperature. 温度有细微的变化。
- An alert listener will have noticed the error. 耳朵尖的人能听出这个错。
- The food should be kept at low temperature. 这种食品应低温保存。
- The temperature of volcanic gases is very high. 火山气体的温度很高。
- Lead will fuse at quite a low temperature. 铅会在相当低的温度下熔化。
- 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。
- The temperature fell sharply in the night. 夜间温度急剧下降。
- Alert to circumstances; attentive. 对周围环境敏感的; 留心的
- There was a descent of temperature after rain. 雨后气温下降了。
- The temperature has stayed hot this week. 本周气温一直都很热。
- The temperature here reaches up to40 in summer. 这里的温度在夏天可达摄氏40度。
- The temperature was a variable in the experiment. 在该实验中温度是个变量。
- Troops are on the alert against any possible aggression. 军队戒备着可能的来犯。
