- 天然气 tiānránqì natural gas
- 中国石油天然气集团公司 Zhōngguó Shíyóu Tiānránqì Jítuán Gōngsī CNPCChina National Petroleum Corporation
- 天然毒素 tiānrándúsù natural toxin
- 天然纤维 tiānránxiānwéi natural fiber
- 天然铀 tiānrányóu natural uranium
- 纯真天然 chúnzhēntiānrán naturalnatural and authentic
- 天然呆 tiānrándāi ditzynaturally absent-minded or muddleheaded in a way that is often perceived as endearing or cute (from Japanese 'tennen boke')
- 天然橡胶 tiānránxiàngjiāo natural rubber
