co
met
复数形式
comets
1
彗星
an object in space that is a mass of ice and dust and when it nears the sun it starts illuminating in the shape of a tail
- Halley's Comet is one of the most famous comets, visible from Earth approximately every 76 years.
哈雷彗星是最著名的彗星之一，大约每76年从地球可见一次。
- Comets are celestial objects composed of ice, dust, and rocky material.
彗星是由冰、尘埃和岩石物质组成的天体。
- The tail of a comet forms when solar radiation causes ice and dust to vaporize and stream away from the nucleus.
彗星的尾巴是在太阳辐射导致冰和尘埃蒸发并从核中流出时形成的。
- Astronomers study comets to learn about the early solar system and its composition.
天文学家研究彗星以了解早期太阳系及其组成。
- The appearance of a bright comet in the night sky often attracts attention from amateur astronomers and stargazers alike.
夜空中出现一颗明亮的彗星，往往会吸引业余天文学家和观星者的注意。