Proper infection dosage and routes were selected to make the chickens artificially infect avian colibacillosis successfully.选择适宜的攻毒剂量和攻毒途径,诱发淮南麻黄鸡大肠杆菌病....
Celia's letter, handwritten and addressed to Sam, was brief.西莉亚亲笔写下的致萨姆的信篇幅不长.Celia was in full spate as usual, so I just sat there waiting for her to finish.西莉亚像往常一样口若悬河说个不停, 我只得坐在那儿等着她把话说完.Celia tried countering a...
Age stole onward and benumbed me more and more.年纪渐老使得我(反应)越来越迟钝.The recollection loosened a throng of benumbed sensations.往日的回忆使已麻木的各种感觉一同涌上心头.The tramp was benumbed by the cold.那个流浪汉被冻僵了....
There was no danger of transmitting the infection through operations.不存在通过手术传播这种传染病的风险。They are trying to find a better way of transmitting energy.他们正试图寻找一种更好的输能方法.A current of high potential is used in transmitting elec...