< Pinyin
A liquid is a form of matter. It is settled between solid and gas. Liquid has an almost fixed volume, but no set shape.
Every small force makes a liquid change its shape by flowing. Because of that, gravity makes liquids always take the shape of the container. The molecules that make up the liquid can freely move among themselves.
yehtii shì wùzhì de 1-zhǒng xíngshì. Tā jièhū gùtǐ hé qìtǐ zhījiān. Yètǐ jùyǒu jīhū gùdìng de tǐjī, dàn méiyǒu gùdìng xíngzhuàng.
Zhǐyào hěn xiǎo de lì, jiù néng tōngguò liúdòng shǐ yètǐ gǎibiàn xíngzhuàng. Yīncǐ, zhònglì shǐ yètǐ zǒngshì gēnjù róngqì de xíngzhuàng. Gòuchéng yètǐ de fēnzǐ kěyǐ zài tāmen zhījiān zìyóu yídòng.
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