调中快膈regulate the center and disinhibit the diaphragm
医疗器械中心（美食西药品管理局下属）CDRH(Center for Devicesand Radiological Health)
【运输】车床顶尖back center (lathe center)
温中祛寒warm the center and dispel cold
府中俞Treasury Center Transport
中焦气滞center burner qi4 stagnation
静止中心quiescent center
活性中心active center