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一九五○年我处开始发现美洲腐臭病,当时养蜂同志没有经验,也没有组织,不能互相研究、设法治疗、又兼都是些副业,没有重视,所以束手待毙。全年统计损失蜂
In 1950, I started to spot the American foul-smelling disease. At that time, the beekeepers did not have any experience or organization. They could not study with each other and tried to treat them. Statistical loss bees throughout the year