Translation Revision Directions: Each of the following translated sentences is inadequate. Revise the given versions.原文：Northern and Southern Adelaide are divided by the Torrens River, spanned by four bridges and lined with ornamental gardens.

Translation Revision Directions: Each of the following translated sentences is inadequate. Revise the given versions.原文：Northern and Southern Adelaide are divided by the Torrens River, spanned by four bridges and lined with ornamental gardens. 译文：阿德莱德南北两区被托伦斯河分割，河上有四座桥梁，两岸点缀着许多花园。改译：

阿德莱德南北两区以托伦斯河为界，河上有四座桥梁，两岸点缀着许多花园。