gradient|gradients

画面从左到右有柔和的亮度渐变。

The image has a soft brightness ___gradient from left to right.

山坡的倾斜度很陡，我们爬得很吃力。

The ___gradient of the hill was steep, making our climb difficult.

设计师巧妙地运用了从紫色到粉色的渐变来打造这个标志。

The designer skillfully used ___gradients from purple to pink to create this logo.