song

melody, song, tune, theme

这些名词均含有“乐曲、曲调”之意。
melody: 指悦耳的曲调旋律。
song: 多指配有歌词的歌曲。
tune: 指曲调，与配有歌词的歌曲相对。
theme: 指主旋律。

名词 song:

1. a short musical composition with words
   同义词：vocal
2. a distinctive or characteristic sound
3. the act of singing
   同义词：strain
4. the characteristic sound produced by a bird
   同义词：birdcall, call, birdsong
5. a very small sum
6. the imperial dynasty of China from 960 to 1279; noted for art and literature and philosophy
   同义词：Sung, Sung dynasty, Song dynasty

1. She rendered the song beautifully.
   这首歌她演唱得很美。
2. The song has plaintive melody.
   这首歌曲的曲调悲伤。
3. I woke up and was greeted by bird song.
   我一觉醒来，鸟鸣之声不绝于耳。
4. She sang an emotional song about love and death.
   她唱了一首关于爱情和死亡的动人的歌曲。
5. This song is often ascribed to Bach.
   这首歌曲常被说成是巴赫做的。
6. She is humming a popular song.
   她在哼一支流行歌曲。