councilor：参赞；州，市，镇等的议员；评议员

词根词缀：council议事机构 + -or名词词尾,人

• owner
• ownership
• own goal
• owt
• ox
• oxbow
• Oxbridge
• Oxford
• oxidant
• oxide
• oxidize
• Oxon
• Oxonian
• oxtail
• oxter
• oxy-
• oxyacetylene
• oxyacid
• oxygen
• oxygenate
• oxygenator
• oxymoron
• oxyopia
• oxypathor
• oxysalt