土ど星せいどせいCommon wordJLPTN1Freq.FrequencyTop 20,000Meanings1nounSaturn (planet)astronomyThe sixth planet from the sun, known for its prominent ring system.土ど星せいの環わは望ぼう遠えん鏡きょうで見みえる。Saturn's rings are visible through a telescope.土ど星せいは太たい