外がい輪りん山ざんがいりんざんFreq.FrequencyTop 100,000Meanings1nounouter rim of a crater; sommaGeological term referring to the outer ridge of a volcanic crater or caldera.阿あ蘇そ山ざんの外がい輪りん山ざんは世せ界かい最さい大だい級きゅうのカルデラの一いち部ぶです
