背脊，指人的背部。语出《朱子语类》卷七十：“故於卦之三四爻发虎尾义，便是阴去蹑他阳背脊后处。”
不幸的是，当一张标准床垫用旧后，其弹簧变软，因而不能支撑你的背脊。
Unfortunately, as a standard mattress wears, the springs soften and so do not support your spine.
试试这个专注于呼吸的简单冥想方法：找一个舒适的位置坐下，挺直背脊，然后闭上眼睛。
Try a simple meditation technique where you focus on your breathing. Sit in a comfortable position with your back straight, and close your eyes.
无独有偶，去年九月，在德国一只罗德西亚背脊犬也登上了头条，她也产下了17只幼犬。
A Rhodesian Ridgeback in Germany also hit the headlines last September when she also gave birth to 17 puppies.
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