sub
英 [sʌb] 美 [sʌb]
n.
替补队员;(向俱乐部等定期交纳的)会员费;助理编辑;审校人;代课教师
v.
(在比赛中)替换(队员);暂代(某人)工作;替班;代用;替代(尤指通常使用的东西);短期借（款）给
例句
He came on as sub.
他作为替补上场。
He was subbed after just five minutes because of a knee injury.
他仅上场了五分钟便因膝部受伤被替换下场。
For a lower-calorie version of the recipe, try subbing milk for cream.
要降低这道菜的热量，可用牛奶代替奶油。
