The girl looked up and saw that the voice came from a bird hanging in acage on the wall.
女孩抬头一看,声音是从挂在墙上笼子里的一只鸟发出来的。
3
In the second experiment meant to pit the mice's hunger against their fear, hungry mice were placed in acage that had certain "fox-scented" areas and other places that smelled safer.