"That it is practically impossible to avoid coming into contact with them," says Frederick vom Saal, a biologist at the University of Missouri.
“避免与它们接触是基本不可能的。”密苏里大学的生物学家FrederickvomSaal说。
"That it is practically impossible to avoid coming into contact with them," says Frederick vom Saal, a biologist at the University of Missouri.
“避免与它们接触是基本不可能的。”密苏里大学的生物学家FrederickvomSaal说。
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