unwritten
adj. 不成文的；没有写的；没有记录的；口头的
近义词：oral，spoken，unrecorded，vocal，understood，accepted，traditional，tacit，known，ad-lib，spontaneous，written，
英英释义
Adjective
- based on custom rather than documentation;
"an unwritten law" "rites...so ancient that they well might have had their unwritten origins in Aurignacian times"
- using speech rather than writing;
"an oral tradition" "an oral agreement"
- said or done without having been planned or written in advance;
"he made a few ad-lib remarks"
例句
用作形容词(adj.)
- This is an unwritten constitution.这是一个不成文的法规。
- He bore the unwritten rule in mind.他牢记那条不成文的规矩。
- The missive remains unwritten and unsent.这件公文未写也未发出去。
- This assignment will examine Britain's peculiar unwritten constitution.这篇文章将审查英国的有意思的没记录的宪法。