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
It seems to me I scheduled something else.
好像我还安排了什么别的事情。
You (or One) cannot make a silk purse out of a sow's ear.
粗瓷碗雕不出细花来。
I've looked round the whole school. I can't find it anywhere.
“我整个学校都找过了。我就是找不到它。”