- A space on the reverse of a coin or medal, usually below the central design and often giving the date and place of engraving.空白处：硬币或奖章背面空白处，一般在中心图案的下方并通常标有雕刻的时间和地点
- French 法语
- from New Latin exergum 源自 新拉丁语 exergum
- Greek ex- [ex-] 希腊语 ex- [前缀，表“前任的，从前的”]
- Greek ergon [work] * see werg- 希腊语 ergon [工作] * 参见 werg-
- cellos
- cell phone
- cell plate
- cells
- cell sap
- cellular
- cellular immune response
- cellular immunity
- cellular respiration
- cellulars
- cellular slime mold
- cellular telephone
- cellulase
- cellulases
- cellule
- cellules
- cellulite
- cellulites
- cellulitis
- cellulitises
- celluloid
- celluloids
- cellulolytic
- cellulose
- cellulose acetate