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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。
- The Norwegians live in a comparatively cold zone. 挪威人生活在比较寒冷的地区。
- 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。
- An alert listener will have noticed the error. 耳朵尖的人能听出这个错。
- Supplies were parachuted into the earthquake zone. 救援物资已空投到地震区。
- Some people live in Torrid Zone. 有些人生活在热带。
- 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。
- I'd like to see Europe as a nuclear-free zone. 我希望欧洲成为无核区。
- The troops detrained near the battle zone. 部队在战区附近下了火车。
- 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。
- They are pulling their troops out of the battle zone. 他们正把部队调离战区。
- 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。
- Although he's over eighty his mind is still remarkably alert. 他虽已年过八十，但头脑仍然十分机敏。
- They have declared their country a, nuclear-free zone. 他们宣布本国为无核区。
- Articles in Time's Medical Section often alert readers to unsuspected ailments. 《时代》周刊医药栏目里的文章常告诫读者对自己意想不到的疾病保持警惕。
