イオン
(mahjong) no points hand: a 役 (yaku, “winning hand”) that does not have any of the following: triplets, quads, the player's seat wind, the prevailing wind, or dragons; and the winning tile complete...
an ion
premolar
悪戯書き: scribbling, doodling, graffitiing
This compound separates into cations and anions.
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