Derivative ac-tion
[電] 導(dǎo)出作用
?? 詞語組成解析
derivative
[di'riv?tiv]
n. [數(shù)]導(dǎo)數(shù)，微商;[化] 衍生物，派生物;[語]派生詞;
adj. 衍生的;導(dǎo)出的;拷貝的;
公元前\\n[計] 存取周期, 累加器, 聲耦合器, 交流, 應(yīng)用控制, 自動檢查, 自動計算機
n. 象征式互動；支票電托收
??? 情景例句
Why shouldn't I run?
為什么我不該競選？
It is better to be clothed in rags, than to be clothed with shame.
寧可穿破衣，不可蒙羞恥。
Well, Mrs Brown, maybe he has caught a bit of a cold.
嗯，布朗太太，也許他只是有點兒感冒。