Prescreening
预先筛分
🗣️ 情景例句
I can't wait!
我盼望着那个时候！
You won't believe it,but it was really cheap.
你不会相信的，但这条裤子确实很便宜。
Historians have long been puzzled by dots, lines and symbols which have been engraved on walls, bones, and the ivory tusks of mammoths.
长期以来，历史学家一直对雕刻在墙壁上、骨头上、古代长毛象的象牙上的点、线和形形色色的符号感到困惑不解。