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
What is it?
是个什么样的计划？
Only certain people are permitted to enter that club.
只有特定的人才被允许进入该俱乐部。
Goats are also kept. Apart from their milk, the wool from their coats is used in expensive clothing.
除了获取羊奶之外，从羊皮上剪下的羊毛还用来制作昂贵的服装。