This is the attachment organ of a tapeworm. The mouse is the natural host, but man can often be also.

这是依附在器官中的涤虫。老鼠是它天生的主，但人们经常也是它的主人。

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This is the attachment organ of a tapeworm. The mouse is the natural host, but man can often be also.

这是依附在器官中的涤虫。老鼠是它天生的主，但人们经常也是它的主人。

youdao