英语词汇not sign怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	not sign
释义	not sign 简明释义非符号：逻辑非是布尔代数中一种一元运算。它的运算结果是将运算元的真值取反。网络释义 1 ?无签名 ... NonStandard 非标(准)，规格外 Not Signed 无签名 NSF The National Science Foundation 国家科学基金会 ... 短语 1 To be not signed up 不予认可 2 Contract not yet signed 合同还未签订双语例句 1 "I wish my teacher knew sometimes my reading homework is not signed, because my mom is not free a lot, wrote another. “我希望我的老师知道有时我的阅读作业没有签名，是因为我妈妈不太有空。”另一个人写道。 2 We have not signed any agreement. 我们没有签署任何协议。 3 The contract was not signed and has no binding force. 合同没有签署因而没有约束力。
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英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。