I thought a lot of pets didn't have 睾丸, was it true?

I thought a lot of pets didn't have 睾丸, was it true?

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送交者: 008 于 2006-3-30, 14:53:13:

回答: my godness, how many 老鼠 will be without 睾丸 in the future? 由 BerkeleyWolf 于 2006-3-30, 13:09:40:

Some animal have testical inside their body. Most mammals - Latino2 (100 bytes) 2006-3-30, 16:02:21

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