倍投是怎么投的简介：He pushed all the books on the table aside with a sweep of his arm, then held a gel pen in his hand, cupped his chin, and reviewed the knowledge points from the first grade of high school under the dim light.
He pushed all the books on the table aside with a sweep of his arm, then held a gel pen in his hand, cupped his chin, and reviewed the knowledge points from the first grade of high school under the dim light.
