Have you ever used a self-service sperm collection machine?

Automatic sperm extraction machine, would you like to try it?

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The man went to take sperm for the first time and was so embarrassed that he didn't respond. . .

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[Popular Science] You think it's disgusting, but doctors love to do it. The reverse operation is act

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[Science] How many seconds can you hold out without tearing it off? Here's how to properly handle sc

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[Shen Gongbao] Why is it that, of all countries in the world, only China is going all out to develop

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How can you instantly tell if it's a little boy?

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Round red patches on the body aren’t eczema—they’re a contagious disease! Beware: kids can get it to

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How Fun Is a Girl's Body, Really? Part 2

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These 9 Skin Conditions That Drain Your Wallet—Save Money After Watching!

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Which sex position can help last longer? Doctors analyzed data from 1,900 people.

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Moon half cat received a mysterious dress

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He’s still a long way from being discharged.

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How outrageous are famous TV drama scenes in the eyes of doctors?

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The dangers lurking in everyday eating habits! Be extremely careful.

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[Doctor Who] Appeared in 15 Episodes Across 5 Seasons! Married 428 Times Over 200 Years: The Twisted

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If you skip meals when you’re not hungry, you really can lose weight!

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Is it a good thing not to make your bed when you wake up?

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Thyroid Cancer on the Rise! Why Is It Targeting Young People?

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A treat for OCD fans! It’s so satisfying to help a snake shed its old skin! What should you do if a

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Inclusions of insects are called insect amber. So what do you call inclusions of giraffes?

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