名词
中文翻译：梯度
同义词：
['斜率，坡度例句：1. The slope of the mountain is steep.（这座山的坡度很陡。）']
例句：
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1. The slope of the mountain is steep.
这座山的坡度很陡。
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2.The gradient of the river is changing rapidly.
这条河的流速正在迅速变化。
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3.The gradient of the road is increasing as we go further down.
随着我们继续往下走，这条路的坡度在增加。