英语翻译Polarimetry.When the optical activity of a mixture changes in the course of reaction ,it can be monitored by measuring the angle of optical rotation.This is a historically important method because its application to the hydrolysis of sucr

英语翻译Polarimetry.When the optical activity of a mixture changes in the course of reaction ,it can be monitored by measuring the angle of optical rotation.This is a historically important method because its application to the hydrolysis of sucr 英语翻译when dld chinese [ ] [ ] [ ] [ ] 英语翻译when's____ _____ ____? 英语翻译When did Carl _______________? 英语翻译为什么要用when 英语翻译we are happy when ( ) ( ) ( ) ( ) 英语翻译when shall we meet? 英语翻译用when从句写 英语翻译when does ___ ___ ___ begin? 英语翻译When my mother --------------------------------------,I---------------------------------{sleep}. 英语翻译Please--------when teh train leaves 英语翻译When do you have it? 英语翻译.when do you have it? 英语翻译When I ------- -------,I found I ------ ----- ------ ------ ---- ------- 英语翻译dry naturallybrush softly when dry 英语翻译When the accident __ ,she___ _________. 英语翻译其中的when怎么翻译？ 英语翻译i get annoyed when people[ ] [ ] line