Derivative ac-tion
[电] 导出作用
🧩 词语组成解析
derivative
[di'rivətiv]
n. [数]导数，微商;[化] 衍生物，派生物;[语]派生词;
adj. 衍生的;导出的;拷贝的;
公元前\\n[计] 存取周期, 累加器, 声耦合器, 交流, 应用控制, 自动检查, 自动计算机
n. 象征式互动；支票电托收
🗣️ 情景例句
He told me he was very impressed with you.
他告诉我他对你印象很好。
Save a thief from gallows and he will help hang you.
放虎归山。
He made up his mind to once again ask for her hand in marriage.
他下决心再一次向他求婚。