Derivative block
[计] 导数块
🧩 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;
block
[blɑk]
n. 块;街区;<英>大楼，大厦;障碍物，阻碍;
vt. 阻止;阻塞;限制;
🗣️ 情景例句
Stewardess, I feel sick. Where's the bathroom?
小姐，我觉得很难受。洗手间在哪里？
Friends (the best of friends) must part.
好友终有分手时。
Broadly speaking, human beings may be divided into three classes: those who are toiled to death,
劳累至死的人、