cross-species infection的用法和樣例：
例句
- Although natural hosts are birds, the avian influenza viruses are known to cross species barriers to infect other mammals, including humans.
盡管鳥(niǎo)類(lèi)是自然宿主，但禽流感病毒能夠跨物種感染其它哺乳動(dòng)物包括人類(lèi)。 - This finding marks the first documented infection of this species with an avian influenza virus.
這一發(fā)現標志著(zhù)首次記載了這一物種感染了一種禽流感病毒。
