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单词 perigee
释义
per·i·gee (pĕrə-je)
n.
1. Astronomy The point in an orbit around the planet Earth where the orbiting body is closest to the planet.
2. The analogous point in an orbit around a celestial body other than Earth. Not in technical use.

[Frenchpérigée, fromMedieval Latinperigeum, fromLate Greekperigeion : Greekperi-, peri- + Greekge, earth.]

peri·geal(-jeəl), peri·gean(-jeən)adj.
perigee
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更新时间:2025/2/22 16:35:29