| 单词 | substitute |
| 释义 | substitute n. & v. --n 1. a (also attrib.) a person or thing acting or serving in place of another. b an artificial alternative to a natural substance (butter substitute). 2. Sc. Law a deputy. --v 1. intr. & tr. (often foll. by for) act or cause to act as a substitute; put or serve in exchange (substituted for her mother; substituted it for the broken one). 2. tr. (usu. foll. by by, with) colloq. replace (a person or thing) with another. 3. tr. Chem. replace (an atom or group in a molecule) with another. Derivatives substitutable adj. substitutability n. substitution n. substitutional adj. substitutionary adj. substitutive adj. Etymology: ME f. L substitutus past part. of substituere (as SUB-, statuere set up) |
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