diminution

公司规模的缩小导致了许多员工的离职。

The ___diminution in the company's size led to many employees leaving.

由于缺乏维护，公园的美观度明显下降了。

There was a noticeable ___diminution in the park's beauty due to lack of maintenance.

在这段旋律中，作曲家通过缩短音符时值来营造轻盈的效果。

The composer applied ___diminution to make the melody sound lighter by shortening the note values.