Definition
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流体
liútǐ
流体是指能够流动的物质,通常是液体或气体。
Fluid refers to a substance that can flow, typically liquids or gases.
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水是一种常见的流体。
Shuǐ shì yī zhǒng chángjiàn de liútǐ.
Water is a common type of fluid.
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空气也是一种流体,它在我们周围流动。
Kōngqì yě shì yī zhǒng liútǐ, tā zài wǒmen zhōuwéi liúdòng.
Air is also a type of fluid that flows around us.
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科学家研究流体的性质和行为。
Kēxuéjiā yánjiū liútǐ de xìngzhì hé xíngwéi.
Scientists study the properties and behavior of fluids.