Filed
v. [专利]申请；存档（file的过去分词形式）
🗣️ 情景例句
I feel feverish.
我有点发烧。
Adversity makes strange bedfellows.
身处逆境不择友。
Once we get down to the oil, it usually flows to the surface because great pressure,
一旦到达油层，石油就会由于地下巨大的压力流到地面上来，