formalities
词形变化：
名词复数: formalities |
同义词：
ceremony | decorum | form | custom | stiffness | ritual | reserve | conventionalism | correctness | smartness | procedure | requirement | convention | regulation | practice | observance | protocol | usage | tradition | wont | rule | inflexibility | strictness | rigidity | punctilio | precision | exactness | propriety | etiquette | convenance | excessiveness | ceremoniousness | empty | gesture | courtesy | formula | red tape | red | tape | formalities | formalness |
反义词：