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

• There are immutable laws of the universe.
  宇宙中有很多不可逆转的规律。
• Because BigDecimal objects are immutable, each of these methods produces a new BigDecimal object.
  由于BigDecimal对象是不可变的，这些方法中的每一个都会产生新的BigDecimal对象。
• 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。
• The Joda classes I discuss in this article are immutable, so instances of them cannot be modified.
  我在本文讨论的Joda类具有不可变性，因此它们的实例无法被修改。
• God is immutable, incapable of change on the levels of God's essence and character.
  上帝是永远不变的，上帝的本质和特征是无法改变的。
• The logic is immutable, but the circumstances have changed.
  这种逻辑不会变，但环境已经发生变化。
• 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）。
• 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。
• 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。
• 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。