decrescendo

As the orchestra reached the final bars, the violins began to decrescendo until only the cellos remained.

用法提示：此处 decrescendo 作不及物动词，表示声音逐渐变小。

The choir practiced how to decrescendo together at the end of the song.

用法提示：decrescendo 在句中作动词，与 how to 连用，表示逐渐减弱。

The applause decrescendoed slowly after the pianist left the stage.

用法提示：decrescendo 的过去式，描述掌声逐渐变弱。