substitution
英 [ˌsʌb.stɪˈtʃuː.ʃən]
美 [ˌsʌb.stəˈtuː.ʃən]
- n. 代替；[数] 置换；代替物
使用频率:
英语词源
- substitution (n.)
- late 14c., "appointment of a subordinate or successor," from Middle French substitution or directly from Late Latin substitutionem (nominative substitutio) "a putting in place of (another)," noun of action from past participle stem of Latin substituere "put in place of another, place under or next to, present, submit," from sub "under" (see sub-) + statuere "set up," from PIE root *sta- "to stand," with derivatives meaning "place or thing that is standing" (see stet).
权威例句
- 1. In my experience a straight substitution of carob for chocolate doesn'twork.
- 根据我的经验，用角豆制品直接代替巧克力行不通。
- 2. We use saccharin in substitution for sugar.
- 我们用糖精代替糖.
- 3. Substitution, No.3 for No.4.
- 换人,4号下, 3号上.
- 4. Substitution: Player No. 4 for No. 3.
- 换人: 3号下,4号上.
- 5. Many groups can be added by nucleophilic substitution on a diazonium salt.
- 许多基团可通过向得自胶的重氮盐作亲核取代而加以导入.
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