/sʌb; sʌb/ n (infml 口)
1 submarine 潜水艇.
2 substitute, esp in football or cricket 代用品; 代替者; （尤指）（足球或板球）替补队员.
3 (usu pl 通常作复数) subscription to a club, etc （向俱乐部等交纳的）会员费.
4 sub-editor 审校员; 助理编辑.

/sʌb; sʌb/
v (-bb-) (infml 口)
1 [I, Ipr] ~ (for sb) act as a substitute 代替; 作替身; 作替补队员
*I had to sub for the referee, who was sick. 裁判病了, 我得代为裁判.
2 [I, Tn] sub-edit (sth) 审校（文稿）; 以助理编辑的身分编辑（稿件）
*subbing on a local newspaper 审校某份地方报纸.