adj.不成文的；没有写的；没有记录的；口头的
英英释义
"an unwritten law"
"rites...so ancient that they well might have had their unwritten origins in Aurignacian times"
"an oral tradition"
"an oral agreement"
"he made a few ad-lib remarks"
经典引文
Diseases unwritten in medical books.
出自：N. HawthorneThe unwritten law that priests and journalists have a right to protect their sources.
出自：A. MacVicarConforming to this unwritten and indeed unspoken rule.
出自：A. Brookner近义词
反义词
临近词
