substitute

substitute

名词 substitute:

a person or thing that takes or can take the place of another

同义词：replacement

an athlete who plays only when a starter on the team is replaced

同义词：reserve, second-stringer

someone who takes the place of another (as when things get dangerous or difficult)

同义词：stand-in, relief, reliever, backup, backup man, fill-in

动词 substitute:

put in the place of another; switch seemingly equivalent items

同义词：replace

be a substitute

同义词：sub, stand in, fill in

act as a substitute

同义词：deputize, deputise, step in

形容词 substitute:

being a replacement or substitute for a regular member of a team

同义词：second-string

capable of substituting in any of several positions on a team

同义词：utility

artificial and inferior

同义词：ersatz