popular
adj. 通俗的；流行的；受欢迎的。如：
Whitney Houston’s I Will Always Love You is a popular song.
惠特尼•休斯顿的《我将永远爱你》是一首流行歌曲。
As captain of the school team, he is very popular with/among the girls.
作为校队队长，他很受女孩子们的欢迎。
This dance is popular among young people.
这种舞蹈在年轻人中很受欢迎。
[身临其境]
2003年高考阅读理解第4篇：
There is one foreign product the Japanese are buying faster than others, and its popularity has caused an uneasy feeling among many Japanese.
日本人对一种国外产品的购买速度超过了其他产品，该产品的普及程度已经引起了不少日本人的不安。
practice
n. 实行；实践；练习。如：
We must put our plans into practice immediately.