- n. 详述；评论；高音部伴唱
- v. 详论；絮说；伴唱
a decorative musical accompaniment (often improvised) added above a basic melody
sing in descant
sing by changing register; sing by yodeling;
"The Austrians were yodeling in the mountains"
talk at great length about something of one's interest
- In class he descanted on his favorite writer.
Her high voice sounded in a thin piping descant above the rest.出自： E. Figes
To spy my shadow in the sun And descant on mine own deformity.出自：Richard III , Shakespeare
On this theme he descanted for half an hour.出自： J. Galsworthy