gradation

• 指事物在程度、状态或等级上逐渐、连续地变化或过渡，通常经过一系列中间阶段。也可指这种变化过程中的各个层级或阶段。

A noun referring to a gradual change or progression from one state, level, or degree to another, often through a series of intermediate stages.

1. Process of gradual changeB2formal

   A gradual change from one state or condition to another, often through a series of stages.

   渐变

   • The gradation of colors in the sunset was breathtaking.
   • There is a clear gradation in the difficulty of these exercises.
   • The artist used a fine gradation of tones in the painting.

   同义词developmentevolutionprogressiontransition

2. Level or rank in a seriesB2formal

   A specific stage or level within a series of steps or degrees.

   等级

   • The salary scale has several gradations based on experience.
   • Each gradation of the test requires more advanced knowledge.
   • The social gradations in that society are very rigid.

   同义词degreegradephaserankstagesteptier