这只是对我们的免疫系统试图防御的潜在外来入侵者的分类介绍。
Just an introduction to the classes of potential foreign invaders that our immune system tries to defend us against.
在肾移植后，受者必须接受免疫抑制治疗，否则他们的免疫系统将排斥移植器官。
Following a kidney transplant, recipients must be placed on immunosuppressive therapy or their immune systems will reject the transplanted organ.
有些研究者认为蜜蜂的免疫体统被压抑或者它们防卫蜂巢免被寄生虫侵袭的能力下降。
Some research has suggested that the bees' immune systems have been suppressed or that they are less able to defend the hive from parasites.
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