n. 歌曲,歌唱（艺术）,诗歌，韵文,鸟叫声，鸟语
song可以用作名词
song的基本意思是“歌曲”,是可数名词。常用在sing后作同源宾语。
song还可作“歌唱”解,指“唱”的抽象动作,是不可数名词。
song用作名词的用法例句
The song has plaintive melody.这首歌曲的曲调悲伤。
I woke up and was greeted by bird song.我一觉醒来，鸟鸣之声不绝于耳。
The song of birds heralds spring.鸟儿的歌唱预报春到。
1、That song has stuck in my head for years.
那首歌多年来一直铭记在我心中。
2、I feel as if I should break into song.
我觉得自己应该放声歌唱。
3、You can't have one without the other, as the song says.
就像歌里唱的那样，两者密不可分，不能只取其一。