Rolltop file
折叠式存储器
🧩 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
Keep a small English dictionary with you at all time.
随身携带一本小英文字典。
Sometimes I make mistakes when I speak English.
当我说英语时，有时我犯错误。
Clusters of tin insects called aphids were to be found on the underside of the leaves.
结果在树叶背面找到成串的叫作蚜虫小虫子。