几乎半数的世界人口都依靠生物质燃料——木材，牛马粪便和农业废料等——来完成如煮饭，干燥农作物，净化水等日常生活活动。

Approximately half of the world's population relies upon biomass fuels - such as wood, dung and agricultural wastes - for everyday tasks such as cooking, drying crops and purifying water.

youdao

几乎半数的世界人口都依靠生物质燃料——木材，牛马粪便和农业废料等——来完成如煮饭，干燥农作物，净化水等日常生活活动。

Approximately half of the world's population relies upon biomass fuels - such as wood, dung and agricultural wastes - for everyday tasks such as cooking, drying crops and purifying water.

youdao