subbing

柯林斯词典

sub /sʌb/ (subs)

1. N-COUNT A sub is the same as a submarine sandwich. 同submarine sandwich
2. N-COUNT A sub is the same as a . 同substitute teacher[美國英語]
3. N-COUNT In team games such as football, a sub is a player who is brought into a game to replace another player. 替補隊員[非正式]
We had a few injuries and had to use youth team kids as subs. 我們有幾個受傷隊員，不得不用青年隊的孩子們作替補。
4. N-COUNT A sub is the same as a . 潛艇[非正式]