Compounds of 外線
- (n) outside telephone line
outer circle - (n) ultra-violet rays
(P) - (n) infra-red rays
(P) - (n) extreme ultraviolet
- (n) ultraviolet treatment
ultraviolet light therapy - (n) infrared photography
- (n) infrared data communication
- (n) (comp) infrared interface
- (n) (comp) ultraviolet erasable programmable ROM