noun🔗Share彗星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."The astronomer pointed out the bright comet in the night sky. "天文学者は夜空の明るい彗星を指し示した。astronomyspacesciencephysicsphenomenaChat with AIVocabulary GamePractice Reading
noun🔗Share彗星A celestial phenomenon with the appearance given by the orbiting celestial body."Last night, we saw a bright comet streaking across the sky during the meteor shower. "昨夜、流星群の間に、明るい彗星が空を横切るのを見ました。astronomyspacephenomenaChat with AIVocabulary GamePractice Reading
noun🔗Shareハチドリ、アンデスのハチドリAny of several species of hummingbird found in the Andes."My grandfather, a birdwatcher, saw a beautiful comet hummingbird at the nature reserve. "鳥類観察家の祖父は、自然保護区で美しいハチドリを見ました。animalbirdChat with AIVocabulary GamePractice Reading
