File security
[计] 文件保密
🧩 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
and there's one person I haven't photographed in a long time.
而有一个人我已经很久没为她拍照了。
Every dog is a lion at home.
夜郎自大。
Where's her hat? Is it under her chair?
她的帽子在那里，是在她的椅子底下吗？