File maintenance
[计] 文件维护\\n[经] 文件维护
🧩 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
Don't mention it.
别在意。
Is the production line fully attomatic?
生产线是全自动的吗？
as the wave leaves the particles behind back to its starting point again.
当波浪把微粒留在身后时又回到出发点。