not legally or officially acceptable (法律上或官方)不承认的;无效的 The treaty was declared invalid because it had not been ratified. 条约没有得到批准,因此被宣布无效。 People with invalid papers are deported to another country. 持无效证件的人被驱逐到别国。 This action would render the agreement invalid. 这一行动会导致协议无效。
Oxford Collocations Dictionaryadverb- scientifically
- statistically
- technically
- …
- be
- become
- make something
- …
not based on all the facts, and therefore not correct 无充分事实的;站不住脚的 an invalid argument 站不住脚的论点
Oxford Collocations Dictionaryadverb- scientifically
- statistically
- technically
- …
- be
- become
- make something
- …
- (
computing )计算机 of a type that the computer cannot recognize 不能识别的;无效的 An error code will be displayed if any invalid information has been entered. 输入了无效信息将显示错误代码。 invalid characters 无效字符
opposite valid
Word Originadjective mid 16th cent. (earlier than valid): from Latin invalidus, from in- ‘not’ + validus ‘strong’ (from valere ‘be strong’).