Like a musical grace note, they're that extra embellishment that makes something beautiful even better.

它们就像音乐里的装饰音，是一种点缀，让各种事物锦上添花。

Very low and round and sweet, the sergeant's whistling was, but, still—whistling. " Sing to Me Sometimes" he warbled, not forgetting the grace notes, and his subconscious derived great satisfaction from the performance.

中士的口哨声非常低、圆润、甜美， 但是，仍然是——口哨声。“Sing to Me Sometimes” 他嗫嚅着，还不忘优美的音符， 下意识从演奏中获得了极大的满足。