noun🔗ShareヒトデAny member of the taxonomic class Asteroidea; a starfish"The marine biologist studied the asteroid's five arms carefully. "海洋生物学者はヒトデの5本の腕を注意深く観察した。animalbiologyoceanastronomyChat with AIVocabulary GamePractice Reading
noun🔗Share小惑星A naturally occurring solid object, which is smaller than a planet and is not a comet, that orbits a star"Scientists track the paths of asteroids in space to predict if any might get close to Earth. "科学者たちは、地球に接近する可能性のある小惑星がないか予測するために、宇宙空間の小惑星の軌道を追跡しています。astronomyspacesciencegeologyChat with AIVocabulary GamePractice Reading
noun🔗Share小惑星In the Solar system, such a body that orbits within the orbit of Jupiter"Astronomers track the paths of each asteroid to predict if any might get close to Earth. "天文学者は、地球に接近する可能性があるかどうかを予測するために、各小惑星の軌道を追跡します。astronomyspaceChat with AIVocabulary GamePractice Reading
