asteroid
noun /ˈæstərɔɪd/
/ˈæstərɔɪd/
- any one of the many small planets that go around the sun
小行星 WordfinderTopics Spaceb2- asteroid
- astronomy
- comet
- constellation
- cosmic
- galaxy
- meteorite
- orbit
- space
- the universe
Collocations DictionaryAsteroid is used before these nouns:- impact
词源early 19th cent.: from Greek asteroeidēs ‘starlike’, from astēr ‘star’.