immutable

英 [ɪˈmjuːtəbl]

美 [ɪˈmjuːtəbl]

adj.  不可改变的; 永恒不变的

复数：immutables　

BNC.20103 / COCA.18955

牛津词典

adj.

• 不可改变的；永恒不变的
  that cannot be changed; that will never change

柯林斯词典

• ADJ 永远不变的;永恒的
  Something that isimmutablewill never change or cannot be changed.
  1. ...the eternal and immutable principles of right and wrong.
     永恒不变的对错法则

英英释义

adj

• not subject or susceptible to change or variation in form or quality or nature
  1. the view of that time was that all species were immutable, created by God
  Synonym:changeless

双语例句

• One advantage of immutable classes is that they are thread-safe.
  （不可变类的一个优点就是它们是线程安全的）。
• Because changes only occur upon construction, immutable classes make it trivial to write unit tests.
  因为变化只会发生构造函数中，因此不可变类会将编写单元测试变成了一件微不足道的事情。
• You have made A immutable, so it can't be legally modified by f.
  因为你已经让A不可变了，所以f不能合法修改它。
• As immutable sequences, both tuple and string objects can't be modified once they're created.
  作为不可变的序列，tuple和string对象在创建之后便无法修改。
• Using this style of code is a strong visual indicator that it's an immutable class.
  这种代码风格的使用从视觉上给出了一种强烈的指示：该类是一个不可变类。
• There are immutable laws of the universe.
  宇宙中有很多不可逆转的规律。
• Markets, unlike nature, are not governed by immutable laws but by compensation schemes and banking regulations.
  和大自然不同，控制市场的不是恒久不变的法则，而是薪酬方案和银行监管规定。
• Immutable anonymous types in C# and VB work the same way.
  C和VB中的不可变匿名类型完全相同。
• In this article, I introduced the Python string, which is an immutable sequence of characters.
  在本文中，我介绍了Python字符串，它是一种不变的字符序列。
• Another useful method is the freeze method by which a string can be made immutable.
  另一个有用的方法是freeze，该方法可以使字符串变得不可修改。