名词
中文翻译：荆棘背
同义词：
['thorny back', "thorny spine例句：1. The lion's thornback is so sharp that it can easily pierce through even the toughest hides.（狮子的荆棘背如此锋利，以至于它可以轻松穿透最坚韧的皮毛。）"]
例句：
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1. The lion's thornback is so sharp that it can easily pierce through even the toughest hides.
狮子的荆棘背如此锋利，以至于它可以轻松穿透最坚韧的皮毛。
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2.The hiker had to climb over a thornback of brambles to reach the summit.
登山者不得不爬过一片荆棘丛，才能到达山顶。
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3. The thornback on his back was causing him great discomfort.
他背上的荆棘丛让他感到非常不舒服。