unwritten

美音音标: [ʌn'rɪt(ə)n] unwritten
英音音标: [ʌn'rɪt(ə)n] result.0.expl|add:"

同义
unwritten
词性
a
解释
based on custom rather than documentation
示例
an unwritten law|rites...so ancient that they well might have had their unwritten origins in Aurignacian times

同义
oral unwritten
词性
s
解释
using speech rather than writing
示例
an oral tradition|an oral agreement

同义
unwritten spontaneous ad-lib
词性
s
解释
said or done without having been planned or written in advance
示例
he made a few ad-lib remarks