n. 回旋歌, 圆圈舞, 小鸟的鸣啭

[ noun ]
a song in which a line or phrase is repeated as the refrain
<noun.communication>

Roundelay \Round"e*lay\, n. [OF. rondelet, dim. of rondel. See
{Roundel}, {Roundeau}, and cf. {Roundlet}, {Rundlet}.]
1. (Poetry) See {Rondeau}, and {Rondel}.

2. (Mus.)
(a) A tune in which a simple strain is often repeated; a
simple rural strain which is short and lively.
--Spenser. --Tennyson.
(b) A dance in a circle.

3. Anything having a round form; a roundel.