species n. 〔sing., pl.〕 1.种类;【生物学】(物)种。 2.【逻辑学】种。 3.【原子能】核素。 4.【法律】形式。 5.【宗教】圣餐物。 a species of folly 一种愚蠢行为。 the four species 【数学】四则,加减乘除。 The Origin of S- 《物种起源》〔Darwin 的名著〕。 the [our] species 人类。
barrier n. 1.栅,栅栏,隔栏,障壁,隔板,挡板;赛马的出发栅。 2.关口,(海关)关卡。 3.障碍;壁垒;界线。 4.(扩伸到海洋中的)南极洲冰层。 a moisture barrier 防湿层。 a potential barrier 【物理学】势垒,位垒。 a barrier to progress 进步的障碍。 set up a barrier between 在…中间设置障碍。 the barriers of class 阶级的壁垒。 the barrier physics 边缘物理学。 the language barrier 语言的隔阂。 vt. 用栅围住。
That animal diseases jump the species barrier from time to time is well understood 动物疾病跨越物种进行传播已不是新鲜事。
Experts believe that human infections can occur because the h5 strain under some circumstances is able to jump the species barrier 菌株在一定环境下能越过种属间的屏障。
Although natural hosts are birds , the avian influenza viruses are known to cross species barriers to infect other mammals , including humans 尽管鸟类是自然宿主,但禽流感病毒能够跨物种感染其它哺乳动物包括人类。
Specific mutations in a iral protein , the polymerase , contribute to the ability of the bird irus to jump the species barrier to humans 病毒蛋白质的特有的突变和多聚酶促成了禽类病毒跨越种间障碍传播到人类的能力
Of the few avian influenza viruses that have crossed the species barrier to infect humans , h5n1 has caused the largest number of cases of severe disease and death in humans 在少数能够跨越种属屏障感染人的病毒株中, h5n1在人群中引起的病例数最多。
Experts also fear the close contact between humans and wild animals in such markets could help unknown viruses jump the species barrier and spark deadly epidemics , such as the sars outbreak earlier this year 专家也对这种人类与野生动物在市场上如此接触表示担忧,这种密切接触会使不知名的病毒跳过物种间的障碍,导致致命的流行病,比如象今年早些时候爆发的sars病毒。
其他语种释义
species barrierとは意味:種の壁、種を隔てる壁◆ある種から別の種へと病気が感染することを妨げている遺伝子に基づく異種間の障壁 Scientists first thought the species barrier would prevent BSE from infecting humans. 科学者たちは初め種の壁が BSE の人間への感染を防いでくれる[妨げる]と考えていた。