流体静力学 liútǐjìnglìxué hydrostatics Origin Definitions Defs Strokes Stroke Words Sentences Sents 流体 流體 liútǐ noun fluid Any substance that flows and has no fixed shape, such as a liquid or a gas.静力学 靜力學 jìnglìxué statics The branch of mechanics or physics that deals with bodies at rest or in equilibrium