substitutions

英 [ˌsʌbstɪ'tjuːʃənz] 美 [ˌsʌbstɪ'tjuːʃənz]

• n. 代替；被代替；被代替者
• 名词substitution的复数形式.

英英释义

名词 substitution:

1. an event in which one thing is substituted for another

2. 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"

例句

用作名词 (n.)

1. Such substitutions dramatically affected the performance of U.S. agriculture in the past century.
   这种代替措施在过去一个世纪里显著影响了美国农业的效能。