cast the shell

例句：

1. 1. She casta glance at the clock before leaving theroom.
   她离开房间前瞥了一眼时钟。
2. 2. The ball was cast into the airand then landed in the net.
   球被抛向空中然后落入网中。
3. 3. Hecast his eyes over the map, tryingto find his way home.
   他扫视着地图，试图找到回家的路。