고도 5~13km의 대기 상층에서 나타나는 가늘고 흰 털실 모양의 구름.
A cloud forming wispy filamentous tufted streaks at high altitude, usually composed of ice crystals.
예문:
"The setting sun painted the high cirrus in shades of pink and orange."
"Cirrus clouds are often the first sign of an approaching warm front."
식물의 덩굴손이나 동물의 촉모 또는 돌기와 같은 가늘고 유연한 부속 기관.
A slender, flexible appendage or filament in plants or animals, such as a tendril or a sensory organ.
예문:
"The barnacle extended its cirrus to sweep the surrounding water for plankton."
"In some species of fish, the cirrus near the eye serves as a sensory organ."