词汇 null 在中文的含义

null 在英语中是什么意思?与 Lingoland 一起探索这个词的含义、发音及具体用法

null

US /nʌl/
UK /nʌl/

形容词

1.

无效的, 无用的

having no legal or binding force; invalid

示例:
The contract was declared null and void.
合同被宣布无效
All his efforts were rendered null by the sudden change in policy.
由于政策的突然改变,他所有的努力都化为乌有
2.

毫无价值的, 零的

having no value or significance

示例:
His opinion was considered null in the discussion.
他的意见在讨论中被视为毫无价值
The experiment yielded null results.
实验结果为

名词

空值, 零

a zero or non-existent value or quantity

示例:
The database returned null for that field.
数据库为该字段返回了空值
In programming, null often indicates the absence of a value.
在编程中,null通常表示值的缺失。

动词

废除, 使无效

to make something legally invalid or ineffective

示例:
The judge decided to null the previous ruling.
法官决定废除先前的裁决。
Their agreement was nulled due to a technicality.
他们的协议因技术原因被废止