n. 代理, 代理人, 代用品, 代替者, 代替物

vt. 代替

vi. 替代, 取代, 代用

a. 代替的, 代用的, 代用品的

[计] 置换; 替代

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

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

v. put in the place of another; switch seemingly equivalent items

v. be a substitute