Derivative operator
[计] 导数算子
🧩 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;
🗣️ 情景例句
The world's greatest grandmother, Mrs. Ellen Stewart,
世界上最伟大的祖母， Ellen Stewart太太，
Little pitchers have great (or large) ears.
小孩子耳朵长。
Excuse me. Is there a bookshop near here?
请问，附近有书店吗？