密西西比河三角洲上空如斑点般散布着烟云，褐绿色的沉积物勾勒着三角洲广阔的边界。

The Mississippi River Delta is speckled with clouds and outlined by a wide border of greenish-tan sediment.

youdao

密西西比河三角洲上空如斑点般散布着烟云，褐绿色的沉积物勾勒着三角洲广阔的边界。

The Mississippi River Delta is speckled with clouds and outlined by a wide border of greenish-tan sediment.

youdao