n. 合作; 協(xié)作;協(xié)助;配合;
?? co共同+operat操作+ion名詞后綴→共同操作→合作
"a report produced by the government in cooperation with the chemical industry"
政府與化工行業(yè)合作提出的一份報(bào)告
近義:help, assist, assistance, relief, succor, succour
反義:hostility, impugnation, objection, protestation, reaction, recalcitration