現打精子顯微鏡觀察 Sperm under a microscope

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focus880

1 year ago Pinned focus880

I think you need more magnification.

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spicyswiss33

1 year ago Pinned spicyswiss33

if this is your sperm... you have a problem...

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jiuheweizui

1 year ago Pinned jiuheweizui

放大倍數不夠吧?

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