coofn.迟钝而缺乏朝气的人coon.鸽叫声v.咕咕地叫；(温柔而轻声地)说情话abbr.首席运营官(=Chief Operating Officer)cooccurence relation同现关系Coordinating machine夹持机coordinative valency配(位)价Coordinative control同等方式coorespondence class函授班coordiantion pricing协调定价coordinative adverbs协同副词coordinating control协调控制coordinating council[经] 协调委员会coomassie fast black考马斯坚牢黑