substitutesub•sti•tute /'sʌbstɪtjuːt/

n C

1. 代替者；候补(选手)

• The lead singer was ill and her substitute wasn't as good. 领唱病了，但是她的代替者可不如她。

• Brazil brought on their substitute when one of their players got injured. 巴西队在一个队员负伤后让替补队员上了场。

2. 代替物；代替品

• a sugar substitute 代糖品