Schistosome infected people or other mammals from the discharge of faecal egg, if manure contaminated the water, eggs were brought into the water, hatched miracidium in the water.
吸虫的人或其它哺乳动从粪便中出虫卵,若粪便污了水,虫卵被带进水中,在水里孵出毛蚴。
Schistosome infected people or other mammals from the discharge of faecal egg, if manure contaminated the water, eggs were brought into the water, hatched miracidium in the water.
吸虫的人或其它哺乳动从粪便中出虫卵,若粪便污了水,虫卵被带进水中,在水里孵出毛蚴。
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