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Cheat on your diet with beaver testicles. In medieval times, beavers were classified as a breed of fish. As a result, consumption of beaver did not count as “eating meat” during a religious fast. Moreover, their furry private bits were very valuable in medicine recipes, a belief that gave birth to the myth that a beaver would bite its own testicles off and throw it at human hunters to escape with its own life.
Общий смысл я понял. Но что означает выделенный участок? Почему там есть слово private?
А что такое private parts?
Вот и здесь речь идет о половых органах бобров.