functioning
词形变化：
形容词: functionless | 动词过去式: functioned | 动词过去分词: functioned | 动词现在分词: functioning | 动词第三人称单数: functions |
同义词：
performance | operation | implementation | execution | performing | running | working | operative | in effect | effective | operational | active | in force | in operation |
反义词：