lecture hallˈlektʃəhɔːl短语³⁷⁵³⁴ 基本例句 n.讲堂;讲演厅;阶梯教室 参观校园 Since all objects in this lecture hall and the earth fall with the constant acceleration, which is g we can write down that the gravitational force m would be m times this acceleration, g. 由于地球上的所有物体,都受向下的恒定加速度 g影响,因此我们可以把重力写作,此加速度 g乘以。163