substitution

英 [ˌsʌbstɪ'tjuːʃ(ə)n]

美 [ˌsʌbstɪ'tuʃ(ə)n]

n.  置换; 取代; 代换; 代入

复数：substitutions　

IELTSTEM8计算机

BNC.6636 / COCA.10742

柯林斯词典

• V-ERG 用…代替;取代;替换
  If yousubstituteone thingforanother, or if one thingsubstitutes foranother, it takes the place or performs the function of the other thing.
  1. They were substituting violence for dialogue...
     他们在用暴力取代对话。
  2. You could always substitute a low-fat soft cheese...
     你总是可以代之以低脂肪的软奶酪。
  3. Would phone conversations substitute for cosy chats over lunch or in the pub after work?...
     打电话能代替午餐时或下班后在酒吧里的惬意闲谈吗？
  4. He was substituting for the injured William Wales.
     他替下了受伤的威廉·威尔士。
• N-COUNT 代替者;代替物;代用品
  Asubstituteis something that you have or use instead of something else.
  1. She is seeking a substitute for the very man whose departure made her cry.
     那个男人的离去令她伤心痛哭，她正想找一个人填补内心的空缺。
  2. ...tests on humans to find a blood substitute made from animal blood.
     为从动物血液中提取人血的替代品而在人体上进行的试验
• N-COUNT 令人满意的替代物;与之媲美的事物
  If you say that one thing is nosubstitute foranother, you mean that it does not have certain desirable features that the other thing has, and is therefore unsatisfactory. If you say that there is nosubstitute forsomething, you mean that it is the only thing which is really satisfactory.
  1. The printed word is no substitute for personal discussion with a great thinker...
     阅读印在纸上的内容远不如与伟大的思想家面对面探讨那般受益。
  2. There is no substitute for practical experience.
     实践经验是无法替代的。
• N-COUNT 替补(运动员)
  In team games such as football, asubstituteis a player who is brought into a match to replace another player.
  1. Coming on as a substitute, he scored four crucial goals for Cameroon.
     作为替补队员上场的他为喀麦隆队打入了四粒关键进球。

双语例句

• Substitution support has been enhanced to support a new pattern: a temporary absence defined by a time interval.
  替换支持已经得到增强，可以支持一个新模式：按时间间隔定义的临时缺席。
• However, this amino acid substitution could have an effect on intramolecular interactions.
  然而，这种氨基酸的替换却对分子内相互作用有影响。
• In fact, we could make the substitution and still wind up with the correct eigenfunctions and eigenvalues.
  事实上，我们可以做这种代换而仍能绕弯得出正确的本征函数和本征值。
• Any replacement or substitution of such personnel shall be strictly to approval of the contractor and employer's representative.
  上述人员的取代和替换应严格按照承包商和业主代表的批准。
• Related to the process substitution system is a more extensive system of redirection.
  与进程替换系统相关的另一个功能是更广泛的重定向系统。
• Substitution group may not be used.
  不可以使用替代群。
• You can use the buffer reference in both the search and in the substitution string.
  在搜索和替换字符串中都可以使用缓冲区引用。
• You must let the translators manage the position and order of the substitution variables and phrases.
  替换变量和短语的位置和顺序必须由译者管理。
• Intents add a layer of indirection that enables sophisticated component reuse and substitution.
  目的添加了一个间接层来支持复杂组件的重用和替换。
• Emphasis is on substitution and elimination reactions and chemistry of the carbonyl group.
  重点强调取代、消除反应和含羰基基团的化学性质。