单词	nitronium
释义	nitronium noun ni·​tro·​ni·​um nī‧ˈtrōnēəm plural -s : nitryl especially : the nitryl cation NO2+ nitronium perchlorate NO2ClO4 Word History Etymology New Latin, from nitr- + -onium
随便看	disanimated disanimates disanimating disannex disannul disannulled disannullers disannulling disannulments disannuls disanoint disappear disappear into thin air disappear/vanish into thin air disappearance disappearances disappeared disappearing disappearing bed disappearing carriage disappearing stair disappears disapplications disappoint disappointed

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