planet

n. 行星、命運星辰、傑出的人、重大影響的事

學術名詞

• 行星：物理學、力學、天文學、地球科學、測量學、高中地球科學
• 行星〔美國一實驗反應器名稱〕：電機工程

英文釋義

1. (astronomy) any of the nine large celestial bodies in the solar system that revolve around the sun and shine by reflected light; Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto in order of their proximity to the sun; viewed from the constellation Hercules, all the planets rotate around the sun in a counterclockwise direction
2. a person who follows or serves another
3. any celestial body (other than comets or satellites) that revolves around a star