微生物潜伏在毫无提防的旅客身上，或细菌隐藏在货柜中，对于它们，国界上的传统防卫不起作用。
Traditional defences at national borders are no protection against a microbe incubating in an unsuspecting traveller or an insect hiding in a cargo hold.
位居走廊西部边缘的堪萨斯州立大学也纳入了国家生物与农业防卫中心(National Bio and Agro - Defence Facility)考虑的五块选址之中。
Kansas State University, on the western edge of the corridor, is among five sites being considered for the National Bio and Agro-Defence Facility.
获得性防卫功能是生物在原有的结构和功能的基础上，在某种因素的诱导或参与下，产生的新的强大的防卫功能。
Acquired immunity functions here mean those new powerful defense capabilities produced by a certain factor inducement or participation on the basis of organism congenital structures and functions.
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