3.The best-known example is the compass plant of the prairies (Silphium laciniatum).
最著名的例子是上的指向植物(罗盘)。
4.Did you visit the Prairie provinces?
你们到平三省去了吗?
5.Any of various game birds in the family Tetraonidae (order Galliformes), including the prairie chicken and ptarmigan, or the sandgrouse (order Columbiformes).