physiologically that is an autonomic hormonal/nerve reaction
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送交者: cornbug 于 2011-02-12, 20:46:59:
回答: 看了埃及革命中年轻人的作用，及其感动，几近热泪盈眶 (无内容) - JZ (0 bytes) 由 james_hussein_bond 于 2011-02-12, 20:24:49:
Molecularly, probably nobody knows why.
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- 插几下就来高潮 - Tidan (90 bytes) 2011-02-13, 01:34:41 (546919)
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