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- By default, our filters hadbeen set to a vigilance level of four on a 1-to-5 setting, with fivebeing the most exclusionary. 我们的过滤器在默认状态下设定在了1-5级的警戒级别，也就是4级，而5级是最具排他性的。
- Similar to a widely reported relationship in natural size flocks of many species of birds, vigilance levels of the free individual eared pheasants declined as the extra-range flock size increased. 分离者的个体警惕水平随着临时群体大小的增加而下降，遵从在其它自然大小鸟类群体所发现的一般性规律。
- The price of liberty is eternal vigilance. 自由的代价是永久提高警惕。
- Police's vigilance was eventually rewarded. 警方时时警戒终有所获。
- The detectives resumed their vigil at the house. 侦探们又开始在那栋房子警戒了。
- I'd like a room on the upper level. 我想要楼上的房间。
- We need a mechanical digger to level the ground. 我们需要一台挖掘机来平整土地。
- I hope you'll be on the level with me. 我希望你对我坦率布公。
- She needs to win this point to level the score. 她要赢得这一分才能将比分扳平。
- In spite of vigilance a polar bear escape from the zoo. 尽管警戒很严，北极熊还是逃出了动物园。
- Keep a level head and phone the Fire Department. 保持冷静，打电话给消防署。
- One who keeps vigil, as at a sick person's bedside. 护理者如在病人身旁等看护的人
- A football field should be level. 足球场地应该平坦。
- The rising level of crime is a sign of the times. 犯罪率增高是这一时代的特徵。
- You cannot afford to relax your vigilance for a moment. 警惕性是万万不可放松的。
- I have told the whole story on the level. 我已经诚实地把整个事情经过讲出来了。
- In spite of vigilance a polar bear escaped from the zoo. 尽管警戒很严，北极熊还是逃出了动物园。
- Find level ground for the picnic table. 找一处平坦的地面放野餐的餐桌。
- This mountain is 1,400 meters above sea level. 这座山海拔1,400米。
- He has a level head in emergencies. 他在危急关头能镇定自若。
