decomposition

植物在土壤中的分解会产生养分。

The ___decomposition of plants in soil produces nutrients.

水果在温暖潮湿的环境中会加速分解。

Fruits undergo faster ___decomposition in warm and humid conditions.

树叶的自然分解为土壤提供了养分。

The natural ___decomposition of leaves provides nutrients to the soil.