immutable

美音：[ɪ'mjutəb(ə)l] 英音：[ɪ'mjuːtəb(ə)l]

简单释义：

adj.不可改变的；永恒不变的

网络不可变；不可变的；永恒的

完整释义：

adj.

1.不可改变的;永远不变的

例句：

it is possible for an immutable object be accessed before its fully created , and this access might yield an incorrect value for some field.
对于一个不变对象，在其被未完全创建之前，可以对它进行访问。这种访问对于某些域可以产生不正确的值。
A list can be changed after it is constructed (we say that it is mutable), whereas a tuple cannot be changed (immutable).
一个列表创建之后可以被改变（我们说它是不定的），然而一个元组不能被改变（固定的）。
Further, for data members that are object references, the referred-to objects must be effectively immutable.
此外，对于对象引用的数据成员，引用的对象必须是有效不可变的。
To the peaceful night and its starlit magnificence succeeded the immutable day and the sun's ardent rays.
恼人的白昼和炙热的太阳代替了宁静的黑夜和美丽的星光。
My old uncle has become immutable in his ways, and you know that you can't teach an old dog new tricks.
我舅舅年纪很大，做事的方法都一成不变，正如大家所知道的，老狗学不会新把戏。
Immutable data cannot be changed and thus reading immutable data does not require locks, even when multiple threads are reading.
不可变数据是不能更改的，因此读取不可变数据无需用到锁，即使有多个线程读取时也是如此。
At the beginning of this article, I said (in a rather winded manner) that a string in Python is an immutable sequence of characters.
在本文的开头部分，我着重强调了Python中的字符串是不变的字符序列。
The collection is immutable (read-only) and has no public constructor.
该集合为不可变（只读）的，并且没有公共构造函数。

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