Expires
v. 期满( expire的第三人称单数 ); 文件、协议等（因到期而）失效; 断气; 逝世
🗣️ 情景例句
Too bad kids can't vote.
可惜小孩不能投票。
When's class gonna end?
怎么还不下课？
and the search for oil has done more to improve deep drilling than any other mining activity.
寻找石油比其他任何采矿业对改进深孔钻探作的贡献都要大。