夏季,山林之中,对于每一位进行野外活动的朋友,最担心的,恐怕莫过于虫、蛇对人的侵扰了。特别是在热带丛林里,其真正的危险常常来自于昆虫与毒蛇。它们传播疾病、影响健康、基至危及人的生命。因此,研究与掌握虫、蛇的驱避与防治知识,就成了每个野外生存者的必需。 Summer, the mountains, for every friend of the field activities, the most worried about, I am afraid no more than insects, snakes on human intrusion. Especially in tropical jungles, the real dangers often come from insects and poisonous snakes. They spread disease, affect health, and endanger human life. Therefore, to study and grasp the knowledge of repellent and prevention of insects and snakes has become a necessity of every wild survivor.