单词 | planetary |
释义 | Word Frequency planetary(ˈplænɪtərɪ, -trɪ) adjective 1. of or relating to a planet 2. mundane; terrestrial 3. wandering or erratic 4. astrology under the influence of one of the planets 5. (of a gear, esp an epicyclic gear) having an axis that rotates around that of another gear 6. (of an electron) having an orbit around the nucleus of an atom nounWord forms: plural -taries 7. a train of planetary gears |
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