The biological defense function appears together with life origin, and will always exist in all life activities.
生物的防卫功能伴随生命的起源而出现，并贯穿于生物全部生命活动之中。
Biological defense function is one of the basic life properties and the defense functions exist throughout the body at any time.
生物的防卫功能是生命的基本属性之一。
Biological defense function is one of the basic life properties and the defense functions exist throughout the body at any time.
生物的防卫功能是生命的基本属性之一。
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