僵化: to become rigid...
常规: code of conduct, conventions, common practice, routine (medical procedure etc)...
昔日: former days, in the past...
明天: tomorrow...
终身: lifelong, all one's life, marriage...
教学楼: teaching block, school building...
配套: to form a complete set, compatible, matching, complementary...
依据: according to, basis, foundation...
积淀: deposits accumulated over long periods, valuable experience, accumulated wisdom...
消毒: to disinfect, to sterilize...
