自我防御功能 Ego Defense Function
自然防御功能 Natural defenses ; natural defense functions
呼吸道防御功能受损 Respiratory tract defense function ; Respiratory function is impaired defense ; Respiratory defense function is impaired
呼吸系统防御功能受损 Impaired respiratory defense ; Respiratory defense function is impaired
肺的防御功能 lung defense function
支持防御和肌肉功能 supports defense and muscle function
很多植物也有化学防御功能。
蛇毒、胞毒素及植物毒蛋白质，如蓖麻蛋白等，均具有防御功能。
Snake venom, cytotoxin and plant poisonous protein such as ricin all have the defence function.
充足的营养是改善儿童天然防御功能的关键，首先要在出生后头6个月完全进行母乳喂养。
Adequate nutrition is key to improving children's natural defences, starting with exclusive breastfeeding for the first six months of life.
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