希少

(1)not widely known; especially valued for its uncommonness; "a rare word"; "rare books"

(2)広く知られていない

(3)特に普通でないものに価値を置いた

(4)not widely distributed; "rare herbs"; "rare patches of green in the desert"

(5)広く分布していない

(6)recurring only at long intervals; "a rare appearance"; "total eclipses are rare events"

(7)長い休止期間を経てのみ再発するさま

(1)