comet
/ˈkɒmət/
B1 · Intermediate★★☆☆☆
Simple Meaning
由冰和尘埃组成、围绕太阳运行的天体，在天空中显得明亮。
When to Use
📚Academic Writing📝Exam Vocabulary📰News & Media
Intermediate — can handle common situations
Examples in Conversation
“我们熬夜观看彗星掠过地球。”
“科学家说那颗彗星要再过50年才会回来。”
Learning Path
▶Full Definition
A celestial body consisting mainly of ice, dust and gas in a (usually very eccentric) orbit around the Sun and having a "tail" of matter blown back from it by the solar wind as it approaches the Sun.