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