n.倾斜度；坡度；梯度
The car slid down the steep gradient into the river. 汽车滑下陡峭的斜坡掉入河中。
The road has a fairly steep gradient. 这条路的坡度相当陡峭。
The resulting solution is known as the gradient. 合成解就是通常的梯度风。
Substrates may accumulate intracellularly against a concentration gradient. 底物可以逆浓度梯度而积聚于细胞内。
