subtraction /sәb'trækʃәn/

释义

(n.) an arithmetic operation in which the difference between two numbers is calculated
(n.) the act of subtracting (removing a part from the whole)

在词托邦里，「subtraction」是一只名词属性像素生物（拉丁词源 · 机械型生物，史诗卡）。字母决定它的长相，词源决定体型，词频决定稀有度；收集它、用它造句升级，并在单词对战中记住它的词性。