perigean
adj. 近地点的; n. 近地点潮
tide[海]近地点潮(指月球运行到近地点附近时潮差随之增大的潮汐)
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adj. 近地点的; n. 近地点潮
tide[海]近地点潮(指月球运行到近地点附近时潮差随之增大的潮汐)
barretry forgiveness hypogeous sciatic tractarian trying viola