向上速度 meaning in English
upward velocity
Examples
- If we throw a small rock up to the sky , it will fall back to the ground . if we throw it slightly faster , it will go up higher . however , if we throw it faster than the
如我们把一颗石块向上抛，它会很快跌回地面，我们用点劲抛，它会飞得高一点假若再加把劲，令石块向上速度达