| 释义 | 
		sap·ro·pel \ˈsaprəˌpel\ noun (-s) Etymology: International Scientific Vocabulary sapr- + -pel (from Greek pēlos clay, mud) — more at pel- 1.  : a slimy sediment of marine, estuarine, or lacustrine deposition consisting largely of organic debris derived from aquatic plants and animals 2.  : kerogen |