Undrained
a. 未排水的, 不排水的, 没有水流的
🗣️ 情景例句
Columbia's a terrific school.
Columbia，是一所很棒的学校。
I don't have the figures, but I'll find out.
我没有这个数据，但我会找到的。
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。