Backbones in A Sentence

    1

    All soap operas have a few main families that serve as the backbones of the community in which they reside.

    2

    Lofty lines of fold mountains form the " backbones " of North America in the Rocky of Mountains and the west coast systems, of South America in the Cordillera of the Andes, of Europe in the Pyrenees, Alps, Carpathians and Caucasus, and of Asia in the mountains of Asia Minor, converging on the Pamirs and diverging thence in the Himalaya and the vast mountain systems of central and eastern Asia.

    3

    The critical time had arrived when the sea was to be driven away eastward, while the immense ridges due to the " Alpine " movements were about to emerge as the backbones of new continental lands.

    4

    Their hands bore the hard calluses of heavy manual labor, their backbones carried the scars of years of knocks against rough hewn surfaces.