从美国地形图上看，大山好像参差的土堆，平原像开阔平坦的空地，河流像蜿蜒的细线。

On a topographic map of the United States, the mountains look like jagged masses, the plains like vast open flat spaces, and the rivers like meandering threads.

youdao

从美国地形图上看，大山好像参差的土堆，平原像开阔平坦的空地，河流像蜿蜒的细线。

On a topographic map of the United States, the mountains look like jagged masses, the plains like vast open flat spaces, and the rivers like meandering threads.

youdao