adj.有顺序的；分等级的；逐渐变化的；分层次的

The beach showed a gradational change from fine sand to coarse gravel.
这片海滩从细沙到粗砾石展现了逐渐的变化。
The gradational colors in the sunset sky were a masterpiece of nature.
日落天空中渐变的颜色是大自然的杰作。
The company implemented a gradational salary increase plan for its employees.
公司为员工实施了逐步加薪计划。
The mountain's vegetation varies gradationally with altitude.
山脉的植被随着海拔高度逐渐变化。
His understanding of the subject improved gradationally through constant study.
通过不断学习，他对这个主题的理解逐渐提高。
The artist used gradational shading to create a sense of depth in her painting.
艺术家使用渐变的阴影来营造画作中的深度感。
The temperature decreases gradationally as we move further from the equator.
当我们远离赤道时，温度逐渐降低。
The gradational learning curve in this new software is well-designed for beginners.
这款新软件的学习曲线对初学者来说设计得很渐进。
The gradational erosion of the riverbank is a natural process over time.
河岸的逐渐侵蚀是随着时间自然发生的过程。
The designer employed gradational hues of blue to evoke a feeling of calmness.
设计师运用了渐变的蓝色调来营造一种平静的感觉。