倍投法的正确使用方法

简介：More than a thousand classmates from the senior year of high school also stood up suddenly, including students from science classes, students from liberal arts classes, and even physical training students and art students. At this moment, they were all generals squeezing thousands of troops across the single-plank bridge. , generals without soldiers, they are shouting, they are roaring, with tears shining in their eyes, persevere to the end and never give up!