Derivative file
[计] 导数文件
🧩 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;
file
[faɪl]
vt. 提出（离婚诉讼或其他讼案）;把…归档;用锉锉;发稿，寄给报社;
vi. 发送（报道给报社）;排成一行行走;提出申请;
n. 文件（夹）;档案;纵列;锉刀;
fil线+e → 用线穿成的→ 档案
🗣️ 情景例句
She always reminds him of Grandma. Susan
总是让他想起奶奶。
The receiver is as bad as the thief.
窝赃者和贼同罪。
and by the time he is grown and able to take part in its activities,
等他长大了，能做各种事了