增强免疫反应代表身体的自然保卫。
The intensification of the immunological response represents the body's natural defense.
然而这一切并没有击倒黄榆，他用生命最后的力量吹响了保卫家园的号角，使村民认识到了保护自然的重要，向海又恢复了它的美丽。
Yet all this and no knockout yellow elm, he blew the final strength to defend the homeland horn, villagers to protect natural important knowledge to the sea, and restored its beauty.
在发生紧急情况及自然灾害时，评估需求并确保卫生机构和脆弱人群的安全饮水和环境卫生。
Assess needs and ensuring safe drinking water and sanitation to health facilities and vulnerable groups during emergencies and natural disasters.
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