Derivative action
[计] 微商作用
🧩 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;
action
['ækʃən]
n. 行动，活动;功能，作用;手段;[法]诉讼;
🗣️ 情景例句
Tell me about your book.
谈谈你的书吧。
He'e never really made it as an actor.
他当演员从未有所成就。
It turned out to be snoring! Men were found to be the worst offenders.
它竟然是鼾声。人类是这方面的罪魁祸首。