Gb	Eng
她忙着温习美国宪法, 准备明天的考试.	She's busy getting up the American constitution for tomorrow's exam.
去伦敦之前，我必须好好温习一下英文。	I must brush up my English before I go to London.
我登台演出前总要温习一下台词.	I always run over my lines before going on stage.