null
英 [nʌl]
美 [nʌl]
adj. 零值的; 等于零的
现在分词：nulling 过去分词：nulled 过去式：nulled 复数：nulls 第三人称单数：nulls
BNC.12712 / COCA.15008
习惯用语
adj.
- null and void
- 无法律效力的；无效的
having no legal force; not valid - The contract was declared null and void.
合同被宣布无效。
牛津词典
adj.
- 零值的；等于零的
having the value zero- a null result
毫无结果
- a null result
柯林斯词典
- PHRASE (协议、宣言或选举结果)无法律效力的，无效的
If an agreement, a declaration, or the result of an election isnull and void, it is not legally valid.- A spokeswoman said the agreement had been declared null and void...
女发言人称该协议已宣布无效。 - The declaration was null and void as it was proclaimed in completely illegal circumstances.
该声明无效，因为它是在完全非法的情况下宣布的。
- A spokeswoman said the agreement had been declared null and void...
英英释义
noun
- a quantity of no importance
- it looked like nothing I had ever seen before
- reduced to nil all the work we had done
- we racked up a pathetic goose egg
- it was all for naught
- I didn't hear zilch about it
adj
- lacking any legal or binding force
- null and void
双语例句
- A spokeswoman said the agreement had been declared null and void
女发言人称该协议已宣布无效。 - If this argument is null, then updatable cursors are used to modify the selected columns.
如果该参数为null，则使用可更新的游标来修改所选的列。 - This parameter can be NULL.
该参数可以为空。 - If null values are supplied, an error ( exception) will occur.
如果提供了null值，将出现一个错误（异常）。 - That Oliver gave you are both null and void.
网址和密码，都已经无效了。 - An empty or null array is not a valid return value.
空的或null数组不是一个有效的返回值。 - The declaration was null and void as it was proclaimed in completely illegal circumstances.
该声明无效，因为它是在完全非法的情况下宣布的。 - Because the URLs returned by the default implementation of ClassLoader are null, which broke the callers code.
因为ClassLoader的默认实现返回的URL是null，这个结果破坏了调用程序的代码。 - Null value is not allowed in unique index or primary key.
唯一性索引或主键中不允许有空值。 - The fifth parameter to which we pass null in this example accepts an image instance.
第五个参数（在本例中我们将null传递给它）接受一个图像实例。