additive
n
substance added in small amounts for a special purpose 為某目的而加進的少量 物質; 添加劑
chemical additives in food 食品中的化學添加劑
food additives, ie to add colour or flavour to the food or to preserve it 食品添加劑(用以增加食物的顏色或味道或使之防腐). additive, adj involving addition 添加的; 附加的.