the total quantity or mass (= weight) of plants and animals in a particular area or volume 生物量（单位面积或体积中所含的生物个体总量或其总质量） natural materials from living or recently dead plants, trees and animals, used as fuel and in industrial production, especially in the generation of electricity 生物质（活着的或刚死去的动植物的天然腐化物质，用于燃料或工业生产，尤其是发电） biomass crops 生物质农作物