adjective
formal
/'fɒ:mәl/
formal 是什么意思
正式的，形式的，礼仪的，拘于礼节的
Being in accord with established forms and conventions and requirements (as e.g. of formal dress) characteristic of or befitting a person in authority (of spoken and written language) adhering to traditional standards of correctness and without casual, contracted, and colloquial forms logically deductive.
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