Security file
[计] 保密文件
🧩 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
Have you talked to the community council?
你们跟社区的议会谈过了吗？
I'm going to show him how to write.
我正要指点他如何写字。
The bison skins were sent by rail to cities to be sold.
野牛皮用火车运到城里出售。