But because gravity makes the ball's trajectory a parabola, the air pushing against the ball changes directions as it flies.
但是因为重力使球的轨迹呈抛物线,所以当球飞行时,推动球的空气改变了方向。
单词 | ball change |
例句 |
原声例句
Vox 观点 But because gravity makes the ball's trajectory a parabola, the air pushing against the ball changes directions as it flies. 但是因为重力使球的轨迹呈抛物线,所以当球飞行时,推动球的空气改变了方向。 Crash Course 综合篇 But there’s one more question: How does the ball’s position change over time? 但还有一个问题:球的位置如何随时间变化? Crash Course Physics 速成课物理 But there's one more question: How does the ball's position change over time? 如何? 球的位置会随着时间而改变吗? |
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