n.
blue color or pigment; resembling the color of the clear sky in the daytime
"he had eyes of bright blue"
同义词：blueness
blue clothing
"she was wearing blue"
any organization or party whose uniforms or badges are blue
"the Union army was a vast blue"
the sky as viewed during daylight
"he shot an arrow into the blue"
同义词：blue skyblue airwild blue yonder
used to whiten laundry or hair or give it a bluish tinge
同义词：bluingblueing
the sodium salt of amobarbital that is used as a barbiturate; used as a sedative and a hypnotic
同义词：amobarbital sodiumblue angelblue devilAmytal
any of numerous small butterflies of the family Lycaenidae
