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substitution

美[ˌsʌbstɪ'tjuːʃn] 英[ˌsʌbstɪ'tjuːʃn]

n. 代替；替换；交换

形容词：substitutional 副词：substitutionally

近义词：switch，replacement，exchange，swap，changeover，change，relief，transposition，permutation，commutation，

n.(名词)

Noun

an event in which one thing is substituted for another;
"the replacement of lost blood by a transfusion of donor blood"
the act of putting one thing or person in the place of another:
"he sent Smith in for Jones but the substitution came too late to help"

用作名词(n.)

The substitution of coal for oil is desirable.以煤代替石油是可取的。
It was merely the substitution of one piece of nonsense for another.这不过是用一个谎话来代替另一个谎话。
They're studying a substitution for the medicine.他们正在研制一种该药的替代品。
Substitutions must occur at or within the team's substitution box.替换必须发生在本队内的替换区。
The South Korean coach requests substitution.韩国队教练要求换人。
The second language is a macro language for performing textual substitution.第二种语言是宏语言，用来进行文字的转换。

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