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- Result ：There are significant differences between the two active alerting groups and the two passive ones (P＜0.01). 结果 ：两个主动警觉组与两个被动警觉组相比有极显著性差异(P＜0.;01)。
- 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 orient has been playing an active role in the world economy. 亚洲一直在世界经济中发挥积极作用。
- I like the dog that is alert, loyal and active. 我喜欢警觉、忠诚并且活跃的狗。
- They have put the army on the alert. 他们已使军队进入戒备状态。
- He is an active member of the school's stamp club. 他是学校集邮俱乐部的一名活跃会员。
- 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。
- An active volcano may explode at any time. 活火山随时都有可能爆发。
- Is it wise to engage in active sports at your age? 我这样的年纪积极参加体育活动是否明智？
- She was active as a left-winger in the party. 她是党内积极的左翼分子。
- He was very active and rode down several horses. 他劲头很大，一连骑了好几匹马。
- 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 plays an active part in local politics. 她积极参与地方政治活动。
- The steel market will continue to be active. 钢材市场将会继续保持活跃。
- Alert to circumstances; attentive. 对周围环境敏感的; 留心的
- An active volcano may erupt at any time. 活火山随时可能喷发。
