During an interview on board the Oden just after it docked at the main U. s. base in Antarctica, Thatje described how the crabs are moving closer to an ecosystem with no defenses.
在Oden停靠在南极洲美国主基地后，Thatje在船上接受了采访，他描述了蟹类靠近毫无防备的生态系统的情况。
Antibodies are the body 's defenses against infection.
抗体是身体抵御感染的武器。
Beijing's aircraft, sensors, ballistic missiles, spacecraft, and fleet and missile defenses have become the standard against which U. S. tactics and technology are measured.
北京的飞机，传感器，弹道导弹，空间飞船，舰队防空和反导已经成为衡量美国战术和技术好坏的标准。
What effects do nutrients have on a host "s immunological defenses against pathogens?"
营养对宿主对疾病的抵抗力有何影响？
What effects do nutrients have on a host "s immunological defenses against pathogens?"
营养对宿主对疾病的抵抗力有何影响？
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