uncracked residue

例句：

1. 1. The chemical analysis showed that the residue was composed mainly of carbon and hydrogen.
   化学分析显示，残留物主要由碳和氢组成。
2. 2. The scientist found that the uncracked residue could be used as a raw material for producing new drugs.
   科学家发现，未破裂的残留物可以作为生产新药物的原料。
3. 3.The process of decomposing organic matter is often accompanied by the formation of uncracked residue.
   分解有机物质的过程往往伴随着未破裂残留物的形成。