名词
中文翻译：Unknown
同义词：
['slope', 'slopes', 'incline', 'inclination']
例句：
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1.The gradient of the river bed is steep here.
这条河床的坡度在这里很陡。
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2.The gradient of the road is too steep for a car to drive on.
这条路的坡度太高，不适合汽车行驶。
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3.The gradient of the hill is changing as the sun sets.
随着太阳下山，山坡的坡度在变化。