substitution
substitution 英 [sʌbstɪ'tjuːʃn] 美 [,sʌbstə'tjʊʃən]
n. 代替；[数] 置换；代替物
名词复数:substitutions
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- n. 代替；[数] 置换；代替物
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1. They allow no substitutions on the club luncheon.
规定午餐的套饭不得换菜。
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2. I found someone to substitute for me.
我找到了一个人接替我。
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3. He substituted as the typist in the office.
他代替做这个办公室的打字员。
- 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, make or be firm," with derivatives meaning "place or thing that is standing."
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