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Pinyin#Pinyin tone marking

Physics is a natural science, focusing on the study of matter, energy, space and time, especially the relationship between their respective properties to each other. Physics is the knowledge about the laws of the nature; and more broadly, physics explores and analyzes the phenomena of the nature in order to understand their rules.

Wùlǐxué shì yīmén zìrán kēxué, zhùzhòngyú yánjiū wùzhí, néngliàng, kōngjiān, shíjiān, yóuqíshì tāmen gèzì de xìngzhì yǔ bǐcǐ zhījiān de xiānghù guānxì. Wùlǐxué shì guānyú dàzìrán guīlǜ de zhīshì; gèng guǎngyì de shuō, wùlǐxué tànsuǒ fēnxī dàzìrán de xiànxiàng, yǐ liǎojiě qí guīzé.