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- And it was important for the control and prevention of leptospirosis to enforce deratization and enhance the susceptible herd immunity by vaccination. 加强灭鼠工作，强化预防接种，提高易感人群免疫力，控制钩体病的发生和流行。
- The study also proided eidence of the so-called "herd immunity effect" in which unaccinated older people benefit from the accination of children and infants. 该研究还提供了所谓“人群免疫效应”的证据，即接种了疫苗的婴幼儿使未接种过该疫苗的大龄人群受益。
- We saw a herd of elephants yesterday. 昨天我们见到了一群大象。
- The herdsman looks after a herd of animals. 牧人放牧着一群牲畜。
- The children come galumph into the house like a herd of elephant. 孩子们像一群大象一样乱哄哄地闯进房子里。
- This vaccine will give you immunity for two years. 接种这种疫苗可有两年免疫力。
- The photographer took a photo of a herd of elephants. 这位摄影师拍了一张象群的照片。
- The young bull horned the old cow out of the herd. 小公牛用角把老母牛从牛群中顶了出去。
- A temporary immunity or exemption; a reprieve. 宽恕; 赦免临时性的豁免或免除; 缓期，暂减
- herd immunity 群体免疫
- The children came galumphing into the house like a herd of elephants. 孩子们像一群大象一样乱哄哄地闯进房子里。
- The milkman selected the spotted cows, from among a herd of two hundred. 牛奶商从一群200头牛中选出有斑点的牛。
- He has a flock of sheep and a herd of cattle. 他有一群羊和一群牛。
- He spent much moeny grading up his herd of cattle. 他花了很多钱来改进他那群牛的品种质量。
- We must cut out the sick horses from the herd. 我们必须把病马从马群中剔除。
- We saw a herd of deer of twenty. 我们看见一群二十只的鹿。
- The herd of buffaloes pounded along. 一群水牛笨重地向前跑去。
- A degree of collective immunity may be observed. 可见到一定程度的群体免疫力。
- How do you herd her with us working? 你怎么让她和我们一起工作?
- Their personnel would have diplomatic immunity on. 联络处的官员享有外交特权。
