液体

液体 (yè tǐ) means 'liquid' in English, referring to a substance that flows and takes the shape of its container, but does not expand to fill space like a gas. It is distinct from solids, which have a fixed shape, and gases, which expand freely.

The character 液 (yè) originally meant 'sap' or 'juice,' suggesting a flowing, wet substance. 体 (tǐ) means 'body' or 'substance,' emphasizing the physical nature of the material. Together, they form a term that describes any fluid state of matter.

液体 is commonly used in scientific, medical, and everyday contexts. For example, it appears in discussions about body fluids, chemical reactions, and industrial applications. Understanding this term helps learners grasp basic concepts in chemistry and physics.