de·com·pose /ˌdiːkəmˈpəʊz $ -ˈpoʊz/ verb [intransitiveI, transitiveT]1 DECAYto decay or make something decay (使)變壞,(使)腐爛a partially decomposed body 部分腐爛的屍體
2. SEPARATEHC technical to divide into smaller parts, or to make something do this (使)分解 —decomposition /ˌdiːkɒmpəˈzɪʃən $ -kɑːm-/ noun [uncountableU]