在爱荷华州有200多处小山或土丘，它们都是鸟、熊、鹿、野牛、龟和黑豹的形状。

Here in Iowa, there are more than 200 small hills, or mounds, of earth. They are in the shapes of birds, bears, deer, bison, turtles, and panthers.

youdao

在爱荷华州有200多处小山或土丘，它们都是鸟、熊、鹿、野牛、龟和黑豹的形状。

Here in Iowa, there are more than 200 small hills, or mounds, of earth. They are in the shapes of birds, bears, deer, bison, turtles, and panthers.

youdao