【机】 tracer
emanate from; emit; radiate; ray; shed
【化】 emit; radiate; radiation
【医】 actino-; radiate; radiation; radio-
indication; denotation; designation; prescription
【医】 indicate; indication; poinling
【经】 directing
cure with medicine; drug; healer; medicine; remedy
【医】 drug; pharmaceutical; pharmaco-; pharmacon; remedium; remedy