substitution

C1 CET-4 Oxf 5000 大学 FREQ #32511

n. 代替, 替换, 代替物 [计] 置换

发音

UK /ˌsʌb.stɪˈtjuː.ʃən/
其它
CA /ˌsʌb.stɪˈtu.ʃən/
US /ˌsʌb.stɪˈtu.ʃən/

词形变化

substitutions 复数 substitutions

教材释义与例句

名词

代替； 置换；代替物

释义与例句

n. C1 Oxf 5000
  1. 1.

    The act of substituting or the state of being substituted.

    替代

    代入

    可数 不可数

    In this football tournament, three substitutions can be made during the match.

  2. 2.

    A substitute or replacement.

    可数 不可数

    Gary is off this weekend, so Jeff will be his substitution.

  3. 3.

    The replacement of an atom, or group of atoms, in a compound, with another.

    可数 不可数 化学
  4. 4.

    The expansion of the lexicon of a language by native means in correspondence to a foreign term.

    可数 不可数 语言学

词汇关系

名词

同义词 6

switch exchange replacement transposition commutation permutation

上位词 3

change variation fluctuation

下位词 4

replacement ablactation subrogation weaning

相关短语

substitution reaction [化] 取代反应 substitution of attorney substitution cipher n.代用密码（或记号） substitution code substitution ciphers substitution codes substitution reactions Liskov substitution principle nucleophilic substitution [化] 亲核取代 electrophilic substitution [化] 亲电取代 free substitution [计] 自由代换 blood substitution penal substitution string substitution back substitution [计] 倒转代换

词源

From Middle French substitution, from Late Latin substitutio.

来源：wiktionary