Derivative polarography
[化] 导数极谱法
🧩 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;
n. 极谱法\\n[化] 极谱法
🗣️ 情景例句
You'll see a stop sign.
会看到有个停车再开标 。
You have to be there half an hour before departure time.
你要在起飞前半小时到那里。
However, they have decided to use the post office.
然而她们还是决定利用邮局。