"point at which a celestial body is nearest the Earth," 1590s, from Modern Latin perigeum (15c.), from Late Greek peregeion, used by Ptolemy as a noun, properly neuter of adjective perigeios "near the earth," from peri ges, from peri "near" (see peri-) + ges, genitive of ge "earth" (see Gaia).
perigee 英文释义
1. periapsis in Earth orbit; the point in its orbit where a satellite is nearest to the Earth
perigee 双语例句
1. When perigee and perihelion coincide tidal range is at its greatest.
当月球与地球到达它们的近地点和近日点的时间恰好重合时,就会引起最大的潮汐.
来自辞典例句
2. The Moon reaches its absolute perigee once a year.
月球每年有一次达到它的绝对近地点.
来自辞典例句
3. The time between two passages at the perigee ( of the Moon ).
月球连续两次经过近地点所需的时间.
来自互联网
4. Due to lunar precession , this time is longer than that if the perigee's position was fixed.
由于月岁差的关系, 这个时间比近地点不变的情况下所需之时间长.
来自互联网
perigee 实用场景例句
When perigee and perihelion coincide tidal range is at its greatest.
当月球与地球到达它们的近地点和近日点的时间恰好重合时,就会引起最大的潮汐.
辞典例句
The time between two passages at the perigee ( of the Moon ).
月球连续两次经过近地点所需的时间.
期刊摘选
The Moon reaches its absolute perigee once a year.
