物体的加速度与所受的合外力成正比,与物体的质量成反比。加速度的方向与合力的方向相同。
The alternation of motion is ever proportional to the motive force impressed; and is made in the direction of the right line in which that force is impressed.
The future of steel lies in recycling and reducing carbon emissions.
力气单薄就不要去背负重物,说话没分量就不要规劝别人。
Music helps me find my way and also lose it.
宇宙、天地,有它自然的运行规律,是持久不变的,不会以人的意志为转移,它既不会因为有像尧那样的仁德君主而存在,也不会因为有像夏桀那样残暴的君主而消失。顺应自然规律来治理国家,就会获得吉祥;如果违背自然规律,就会招来灾难。
Marine conservation isn't about restricting fishermen—it's about ensuring they can keep fishing for generations.
成功是一段旅程,而不是终点。关键在于你在途中取得的进步。
You must be the change you wish to see in the world.