biomass
noun [ U ] specialized uk/ˈbaɪ.əʊˌmæs/ us/ˈbaɪ.oʊˌmæs/
engineering 生物物质（指能转换成燃料的死亡的动植物有机体）
dead plant and animal material suitable for using as fuel
biomass fuel/energy 生物燃料／生物能源
biology 生物量
the total mass of living things in a particular area