reducing matter的用法和样例：
例句
- L-cysteine is also a reducing agent.
半胱氨酸也是一种还原剂。 - Epitropic fibre has excellent resistance to reducing agents.
导电纤维具有卓越的抗还原剂性能。 - Moreover,the microorganism which was brought by permeable surface water degraded the primary kerogen in sedimantary rocks and could produce reducing matters.
同时，地表下渗的大气降水携带了细菌类微生物，对原生有机质进行生物降解，并生成硫化氢类还原物质。
