曲调的英文：
descant
melody

参考例句：

A composition that is melancholy or pensive in tone.
哀歌曲调忧郁悲哀的音乐作品

Primitive dance rhythms interwoven with folk melody
混有民间曲调的原始舞蹈节奏

He whistled a popular tune.
他用口哨吹了一首流行曲调。

a bouncing gait; bouncy tunes; the peppy and interesting talk; a spirited dance.
活泼的步态；欢快的曲调；精力充沛、妙趣横生的谈话；活泼的舞蹈。

Downstairs, a beggar scratched out a tune on a street-organ and sang an old warsaw melody.
楼下，一个要饭的一边用簧风琴勉强奏出曲调，一边在唱一支古老的华沙歌曲。

This is.not at all lighthearted or amiable music.In fact,the tone is unremittingly sober and antiseptic(Donal Henahan)
这音乐一点也不轻松悦耳，实际上曲调一直很严肃、单调(多纳尔·汉奈恩)

A Protestant hymn melody.
赞美诗曲调新教赞美诗的曲调

The various notes toned in
各种曲调很和谐。

I like bright and vivacious strains.
我喜爱活泼欢快的曲调。

A passage of exquisite Beauty, played to perfection.
一段表演精湛的优美曲调

descant是什么意思：
n. 曲调，歌曲
v. 评论，唱歌

You need not descant upon my shortcomings.
你不必絮说我的缺点。

He is going to descant upon the beauties of the scene.
他将详述那美丽的景色。

melody是什么意思：
n. 曲调，歌曲；旋律；美妙的音乐；乐曲的音符编排

The melody still rang in her ears.
那个旋律仍然在她的耳际荡。

The beautiful melody is lingering in my mind.
美妙的音乐在我心中回荡。

White pigeon wheel and hover, trickling the melodious whistle.
雪白的鸽子盘旋飞翔，流淌下一串悦耳的哨音。

The marriage of words and melody in that song was unusually effective.
那首歌里词与曲配合合谐，产生了非同凡响的效果。

Sing the deep vocal register of the melody with a deep voice.
请用明亮的嗓音演唱第一段歌曲。