cooperate：合作，协作

词根词缀：co-共同 + -oper-工作 + -ate动词词尾

cooperate：合作

co-, 强调。-oper, 工作，词源同operate, opus.

• antebellum
• antecede
• antecedence
• antecedent
• antediluvian
• antelope
• antemeridian
• antenatal
• antenna
• antepenultimate
• anterior
• anthem
• anther
• anthology
• anthracite
• anthrax
• anthropic
• anthropocentric
• anthropogenesis
• anthropologist
• anthropology
• anthropomorphic
• anthroponomy
• anti-
• antibiotic