astronomical unit
US /ˌæs.trəˈnɑː.mɪ.kəl ˈjuː.nɪt/
UK /ˌæs.trəˈnɑː.mɪ.kəl ˈjuː.nɪt/
1.
천문단위
a unit of length, roughly the distance from Earth to the Sun, used to express distances within the solar system. It is approximately 150 million kilometers (93 million miles).
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Mars is about 1.5 astronomical units from the Sun.
화성은 태양에서 약 1.5 천문단위 떨어져 있습니다.
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The distance between Earth and the Sun is defined as one astronomical unit.
지구와 태양 사이의 거리는 1 천문단위로 정의됩니다.
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