| 单词 | perigeal |
| 释义 | perigee /perˈi-jē/ (astronomy)nounThe point of the moon's, or any artificial satellite's, orbit at which it is nearest the earth, opp to apogee ORIGIN: Gr perigeion, neuter of perigeios round or near the earth, from peri and gē earth perigēˈal or perigēˈan adjective |
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