sub

1.替补队员a substitute who replaces another player in a team

1.[t]~ sb（在比赛中）替换（队员）to replace a sports player with another player during a game

3.[t]~ sth for sth代用；替代（尤指通常使用的东西）to use sth instead of sth else, especially instead of the thing you would normally use

4.[t](informal)~ sb sth短期借（款）给to lend sb money for a short time

1.潜水艇

2.〈美俚〉低能者

3.订户 (=subscriber) 订购

4.代替物;代替者;〈美〉候补队员

1.做补充[候补]人员;〈口〉做替工 (for)

2.〈美俚〉替...进行比赛

1.〈外〉在...的下面,...的下面的

1.附属的,辅助的,补充的

1.a substitute, especially someone who plays instead of another player in a sport; a substitute teacher

2.a submarine

3.a submarine sandwich

4.a subeditor

1.to do someone else’s job for them temporarily, especially by teaching a class

2.to substitute one player for another in a sport