remnant
noun [ C usually plural ] uk/ˈrem.nənt/ us/ˈrem.nənt/
残余（部分）；剩余（部分）；零头；零料
a small piece or amount of something that is left from a larger original piece or amount
the remnants of last night's meal 昨晚的剩饭
remnants of the city's former glory 这座城市辉煌历史的遗迹
a carpet remnant 地毯边角料
Compare: leftovers