Complementary operation
[计] 求反运算
🧩 词语组成解析
complementary
['kɑmplə'mɛntri]
adj. 互补的;补充的，补足的;
com加强+ ple填满+ ment表名词 + ary...的 →complement填满=补充+ ary...的 → 补充的
🗣️ 情景例句
And don't forget to invite Susan for dinner.
别忘了请Susan来吃晚餐。
What's the price of that electric iron?
那个电熨斗的价格是多少？
below 20 per cent, its bactericidal action is negligible.
浓度低于20％时，杀菌能力基本上就不存在了。