Filed
v. [专利]申请；存档（file的过去分词形式）
🗣️ 情景例句
The weather's been very hot lately.
最近天气总是很热。
Experience is a school from which one can never graduate.
经验无止境。
The terrible secret is called 'a skeleton in the cupboard'.
惊人的秘密称作“柜中骷髅”。