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."Last night, we learned in science class that comets are icy objects from space that sometimes develop bright tails when they get close to the sun. "昨夜、理科の授業で、彗星は太陽に近づくと明るい尾を出す宇宙の氷の塊であることを学びました。astronomyspacephysicssciencephenomenaChat with AIVocabulary GamePractice Reading
noun🔗Share彗星A celestial phenomenon with the appearance given by the orbiting celestial body."Looking through the telescope, the student saw faint, glowing comets streaking across the night sky. "望遠鏡を通して、学生は夜空を横切るかすかに光る彗星を見ました。astronomyspacephenomenaworldnatureChat with AIVocabulary GamePractice Reading
noun🔗Shareアンデス山脈に生息するハチドリの数種Any of several species of hummingbird found in the Andes."While hiking in the Andes, we hoped to spot some comets flitting amongst the high-altitude flowers. "アンデス山脈でハイキングをしながら、高山植物の間を飛び回るハチドリの数種を見たいと願いました。animalbirdorganismChat with AIVocabulary GamePractice Reading
