alternately keening and gossamer soprano drawl.

 all of it rendered indelible by her irrepressible spirit and alternately keening and gossamer soprano drawl.

她不屈不撓的精神和時而哀婉動人、時而輕柔飄渺的女高音嗓音，使這一切都變得永生難忘。

Keening is a loud, long, and mournful wail or cry, traditionally performed as a vocal lament for the dead. [1, 2]

Core Meanings and Uses

Funeral Lament: An ancient Gaelic ritual (common in Ireland and Scotland) where professional or grieving women wailed over a body at a wake or funeral. The word comes from the Irish caoineadh, meaning to cry.
General Sound: Any sharp, shrill, or piercing wailing sound (such as a strong wind or a mechanical noise).
Complaining (Informal): Continually whining, grieving, or protesting about an issue. [1, 2, 3, 4, 5]

Synonyms

Wailing
Lamenting
Mourning
Grieving [1]

Would you like to know more about the history of the Irish keening tradition or see an example of it used in literature?