【化】 radiocarbon chronology
emanate from; emit; radiate; ray; shed
【化】 emit; radiate; radiation
【医】 actino-; radiate; radiation; radio-
carbon
【化】 carbon
【医】 C; carbon; carboneum
a decade; age; time; years
【经】 age
imitate; knowledge; learn; mimic; school; study; subject of study