新城疫 ( NewcastleDisease,ND ) 是由新城疫病毒(NewcastleDiseaseVirus,NDV) 引起的极易传染的毁灭性疾病. Newcastle disease ( ND ) is regarded worldwide as one of the most devastating diseases of poultry.
Fans gained more enjoyment barracking him than cheering on the team...球迷一个劲儿地嘘他，兴头远胜于为球队加油。After a moment the barracking began. First came hisses, then shouts.过了一会儿便有人起哄了。先是嘘声，然后就是大喊大叫。He was affected badly by the barrac...
Not any more, mocked the crows from shady pine bough perches.时光不再啊, 乌鸦栖息在成荫的松树主枝上,向我发出嘲笑.I hitched the rope round a bough of the tree.我把绳子套在树枝上.a bough of a tree树的主枝He hitched a rope round a bough of a tree.他把一根绳子绕系在一棵树枝...