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
Am I older than you? You look so young.
我比你老吗？你看起来非常年轻？
Amen.
阿门。
On turning eagerly to the text, one learns that the lady was a typist who found the sound of office typewriters worried her more and more until eventually she had to go into a mental hospital.
当人们急切地看完正文后，便知道这位女子是个打字员，办公室打字机的声音使她越来越烦恼，最终住进了精神病医院。