Filed
v. [专利]申请；存档（file的过去分词形式）
🗣️ 情景例句
I cried because I miss them all.
我哭因为我想念他们。
I couldn't keep the appointment because I was sick.
我不能赴约因为我病了。
There was only one problem: the man upstairs.
住在楼上的人。