stand in
英 [ˈstænd ɪn]
美 [ˈstænd ɪn]
（在别人生病或不在时）替代，代替
柯林斯词典
- See also:I had to stand in for her on Tuesday when she didn't show up....the acting president, who's standing in while she's out of the country.stand-in
英英释义
verb
- be a substitute
- The young teacher had to substitute for the sick colleague
- The skim milk substitutes for cream--we are on a strict diet