gradations/ɡreɪˈdeɪ.ʃən/名词逐渐的变化;(变化过程的)阶段,层次The gradation in/of tempo in this piece of music is very subtle.这支曲子节奏的变化非常微妙。刻度,量度the gradations on a ruler尺子的刻度想跟读,去练习