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.
感染血吸的人或其它哺乳动物从粪便中排出
,
粪便污染了水,
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.
感染血吸的人或其它哺乳动物从粪便中排出
,
粪便污染了水,
被带进水中,在水里孵出毛蚴。
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