名词
中文翻译：双重凸起
同义词：
['double hump', 'dual ridge']
例句：
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1.The mountain has a dual hump on its back, which makes it look even more impressive.
这座山背部有一个双峰，看起来更加壮观。
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2. The car has a dual hump in the front, which is perfect for carrying heavy loads.
这辆车前部有一个双峰，非常适合承载重物。
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3.The farmer had to remove the dual hump from the cow to prevent it from getting injured.
农民不得不把牛的双峰切除，以防它受伤。