相关单词近义词 on 在 ... 之上, acting 演戏, operational 操作的, running 连续地, functioning 机能, managing 管理的, operation 操作, performing 表演的, working 做工作的, functional 功能的, in force 有效, in service 在使用中, going 去, effective 有效的, in use 使用中, in action 在活动, operative 有效的, in operation 操作中临近词operas, opera, operating level, operating cable, operating loupe, operating right, operating knife, operating field, operating scale, operating order, operating apron, operating floor 返回 operating