47_银 2008-08-10 13:09
527999091 2008-08-15 11:33
善者藏刀 2008-08-24 10:29
sunnybird 2008-08-24 18:50
燧さ歆ほ羧め燠 2008-08-24 20:06
友情de羁绊 2008-08-24 23:16
zx100zx100 2008-08-25 08:47
溪水流 2008-08-25 18:22
Na2O2 | 叫做过氧化钠 |
KO2 | 叫超氧化钾 |
RbO3 | 叫臭氧化铷 |
XO4 | 当然就就叫过臭氧化X |
…… | …… |
teagod 2008-08-25 20:20