C

友人之前問﹕你好一點沒有﹖
地司後來答﹕不知你說那次﹖
我最愛的導師崔婆婆當年的金句﹕你健康的日子像曇花一現

十年過去　我竟可以堅守著這「曇花一現」狀態　難以至信
說實話　很久沒有嘗過這種病得不能上班的滋味

會繼續努力 Be Happy Be Healthy
希望你妳您都一樣

Carbon is the chemical element with symbol C and atomic number 6. The physical properties of "CARBON" vary widely with the allotropic form. For example,
Diamond is highly transparent, while graphite is opaque and black.
Diamond is among the hardest materials known, while graphite is soft enough to form a streak on paper.
Diamond has a very low electrical conductivity, while graphite is a very good conductor.
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