The researchers found earworm infections last longer with musicians than with non-musicians.

研究表明，比起非音乐家，音乐家所产生的“音乐幻听”现象持续时间更长。

And how closely does it map onto the ways that words and phrases earworm their way into spoken language?

这不正是单词和词组在口语中的进化过程吗？

An earworm is simply another term for involuntary musical imagery, the spontaneous recall and repeating of a song in one's mind.

耳虫就是无意识音乐的另一个术语，一首歌会自发地在人们的思维中自发回忆重复训练。

A significant aspect of a successful earworm is also down to a catchy lyric, of which we will all remember for different reasons.

朗朗上口的歌词也是抓耳歌曲冲击热门的关键，我们会因为不同的原因记住这首歌。

According to an insider, the simple melody, straightforward lyrics and humorous dance movements, combined with the earworm effect led to the popularity of PPAP.

据一位知情人士透露，简单的旋律，简单的歌词和幽默的舞蹈动作，结合棉铃虫效果导致PPAP的普及。