No earthworms live in this seasonally arid region, so termites assume the vital role of enriching the soil by recycling dead wood and grass.是什么意思_No earthworms live in this seasonally arid region, so termites assume the vital role of enriching the soil by recycling dead wood and grass.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句