单词	单群
释义	单群monoid
随便看	noble gases noble gases, inert gases noble gases-- inert gases noble gases; inert gases noble gas laser noble-gas lasers noble gas plasma noble gas 〔atomic〕 laser nobleite noble, jeremy noble, john noble, lee noble liver-wort nobleman noblemen noble metal noble metal catalyst noble metal catalyst recycling noble metal couple noble metal electrode noble metal loading noble metal (precious metal) noble metals noble minded, noble-minded