n.

1. 歌，歌曲[C]
2. 诗歌，歌谣[C]
3. 唱，歌唱[U]
   We raised our voices in song.

   我们放声歌唱。

4. （鸟、虫等的）鸣声[U][C]
   He was awakened by the song of birds in the trees.

   他被林中的鸟鸣声闹醒。

5. （小河的）潺潺声；（风的）飒飒声；（水壶烧开后的）水沸声[U]
6. 低价[S]
   The restaurant was offered at a song.

   那家饭店廉价出让。

n.

1. a short poem or other set of words set to music.
   ▸singing or vocal music.
   ▸a musical composition suggestive of a song.
2. the musical phrases uttered by some birds, whales, and insects, used chiefly for territorial defence or for attracting mates.
3. a poem, especially one in rhymed stanzas.
   ▸archaic poetry.