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
- 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。 - At least one element in the specified array was null.
指定数组中至少有一个元素为空。 - The agreement will be considered null and void.
该协议将被视作无效。 - This method has one parameter that you can set to null or a number of other values.
这个方法有一个参数，可以把它设置为null或许多其他值。 - 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 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。 - Note that CPU and disk values can be specified as null if checking for user activity only is desired.
注意，如果只希望检查用户活动，则可以将CPU和磁盘值指定为空。 - If the lua_open() call fails, it returns a null pointer.
如果luaopen（）调用失败，则返回一个null指针。 - Specify null to return information for all tables and views in the specified database.
指定null可返回指定数据库中的所有表和视图的信息。 - The parameter can be NULL if the previous semaphore count value is not required.
如果并没有请求上一个信号量计数器的值，那么这个参数可以是NULL。