元となった辞書の項目
ダブル立直
noun
(mahjong) a 役 (yaku, “winning condition”) for declaring a ready hand on the first go-around of play, worth 2 翻 (han, “doubles”)
意味（1）
(mahjong) a 役 (yaku, “winning condition”) for declaring a ready hand on the first go-around of play, worth 2 翻 (han, “doubles”)
