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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。
- Praise is a stimulus for better work. 赞扬激励人更努力地工作。
- alerting stimulus 警觉刺激
- A provocation to action; a stimulus. 激励，刺激某种行动的刺激; 激励
- 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。
- Abnormally sensitive to a stimulus. 过敏的对刺激不正常地敏感的
- An alert listener will have noticed the error. 耳朵尖的人能听出这个错。
- Observe carefully how the bacteria respond to this stimulus. 仔细观察细菌对这一刺激有什么反应。
- 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 nutrient in the soil acts as a stimulus to growth. 土壤中的养分能促进植物生长。
- Her words of praise were a stimulus for people to work harder. 她赞扬的话鼓舞人们工作更努力。
- Alert to circumstances; attentive. 对周围环境敏感的; 留心的
- Troops are on the alert against any possible aggression. 军队戒备着可能的来犯。
- Poverty is a stimulus to industry. 贫穷能使人勤劳。
- The boy was alert in answering the stranger's questions. 男孩很机敏地回答了陌生人的问题。
- Her word of praise is a stimulus to work harder. 她赞扬的话鼓舞人工作更努力。
