When something proliferates, it's growing, spreading or multiplying really quickly. Bunny rabbits have a habit of proliferating, as do dandelions in untended gardens and funny YouTube videos on the internet.

Pronunciation: / prə'lɪfə'ret /
English description: grow rapidly
Synonyms: grow
Chinese Translation: 激增(ji1 zeng1)
Spanish Translation: proliferar
ORIGIN: Proliferate was originally a biological term used to describe the growth of cells and producing offspring. It wasn’t until 1961 that we started to use proliferate more generally to talk about everything from the spread of nuclear weapons to the wide growth of Walmart. Other similar words include expand, reproduce, snowball, and spawn.

EXAMPLE SENTENCE:

But as the buy-one-give-one companies have proliferated, so have questions about the model’s efficacy, and even its ethics.
As those attitudes spread, the institutional models — new-music ensembles, period bands — proliferated.

*New word description, story and part of "EXAMPLE SENTENCE" are cited in Vocabulary

Song of the Week: <One Day>

https://www.youtube.com/watch?v=2NJ0mxx_VT4

http://v.qq.com/page/b/3/2/b0161l6nk32.html