Login
Sign Up For Free
English
中文 (繁體)
中文 (香港)
中文 (简体)
日本語
Filipino
Bahasa Indonesia
Bahasa Melayu
Pусский
Português (Brasil)
Magyar
Français
Español
Deutsch
Čeština
العربية
Català
Dansk
Ελληνικά
فارسی
Suomi
Gaeilge
Hindi
עברית
Hrvatski
Italiano
Norsk bokmål
Nederlands
한국어
Polski
Română
Slovenský
Svenska
Türkçe
українська
беларуская
ไทย
Standard view
ohmyjieyi
says
15 years ago
chemistry practical sucks
shiqi13
says
15 years ago
both chem and phy to me..
ohmyjieyi
says
15 years ago
LOL
_Huai_Yue_
says
15 years ago
same...
立即下載
delete
reply
edit
cancel
cancel