详细解释:n. 教会法规, 圣典, 准则, 标准, 教士
【医】 规范, [加农]炮
英语解释：
名词 canon:
a rule or especially body of rules or principles generally established as valid and fundamental in a field or art or philosophya priest who is a member of a cathedral chaptera ravine formed by a river in an area with little rainfall同义词：canyon