Last Updated：2025/11/19
Sentence
その惑星の逆行する軌道は、その運動を研究している天文学者たちを困惑させた。
Quizzes for review
The planet's retrograde orbit puzzled astronomers studying its motion.
See correct answer
The planet's retrograde orbit puzzled astronomers studying its motion.
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Related words
retrograde
IPA(Pronunciation)
Adjective
archaic
also
Japanese Meaning
通常あるいは以前の進行方向に対して逆の方向に向かっている、後退している / 発展途上または未熟な状態へと戻り、衰退あるいは後退していく
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