File extension specification
[计] 文件附加说明表
🧩 词语组成解析
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
I've been there several times.
我到那儿去过好几次。
I would like to call an eletrician to come this afternoon.
我要叫一个电器师傅今天下午来。
As is so often pointed out, knowledge is a two-edged weapon which can be used equally for good or evil.
正像人们常常指出的，知识是一把双刃刀，可以用于造福，也可以用来为害。