1. Archimedes is considered one of the greatest mathematicians in history.
阿基米德被认为是历史上最伟大的数学家之一。

2. Archimedes' principle states that an object immersed in a fluid experiences an upward buoyant force equal to the weight of the fluid displaced.
阿基米德原理指出，浸入流体中的物体会经历一个等于所排开流体重量的向上浮力。