n.近地點(diǎn)；最近點(diǎn)
The Moon reaches its absolute perigee once a year. 月球每年有一次達(dá)到它的絕對近地點(diǎn)。
When perigee and perihelion coincide tidal range is at its greatest. 當(dāng)月球與地球到達(dá)它們的近地點(diǎn)和近日點(diǎn)的時(shí)間恰好重合時(shí)，就會(huì)引起最大的潮汐。
