不是可数名词,popular,形容词词性,意思是受喜欢的,例如:
1、Cycling is Europe's second most popular sport.骑自行车是欧洲第二流行的体育运动。
2、The bicycle reigned supreme as Britain's most popular mode of transport.当时自行车是英国最流行的交通工具。
3、This computer is popular for its good design and ease of use.这种计算机因设计巧妙、简单易用而广受欢迎。