wow.
quite long never blog le..
hmm..
today..
chem CT..
fail le lar..
forget mole formula..
sian alot dunnoe how do..
haiis..
aft dat.
stupid zhaoxi go make my table wet..
use reader's digest bk cover to wipe!
den the whole table become white!!
lao ehh...
lucky my books not wet..
or else.....