http://www.huffingtonpost.com/2013/03/22/nitrous-oxide-deaths-la

來源: 單身老貓於 2014-12-04 19:50:44 [檔案] [博客] [舊帖] [給我悄悄話] 閱讀數 : (0 bytes)

回答: 應該是笑氣,一氧化二氮（Nitrous oxide），由單身老貓於 2014-12-04 19:48:08

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