be popular in

基本解释

It must be popular in youngsters .
一定在年轻人中很流行。
It implements the Model - ViewModel - View - Controller pattern that seems to be popular in WPF.
它实现了模型-视图模型-视图-控制器这个看起来在WPF中很流行的模式。
These books are much less likely to be popular in e-book form than the less technical and quick-read books.
这些类型的电子书有可能不会像技术性较低、适于快速阅读的电子书籍广泛传播。

The car is expected to be popular in industrial as well as developing nations.
Apparently,the texts that were the most popular over a bigger geographical space tended to be the ones that got in.
很明显，在较大的地域上,最受欢迎的书籍通常都会被选上。
耶鲁公开课 - 新约课程节选
We don't expect everybody to be a course six major, contrary to popular opinion, so for those are you not in that category, the second thing we want to do is we want to help students who don't plan to major in course six to feel justifiably confident in their ability to write and read small pieces of code.
和大众意见正相反，我们不希望所有人都变成course，six的主修学生，所以对于那些不在第一梯队里的人来说，我们想做的第二件事情就是,希望帮助还不想,主修这门课的人,都能获得在自己能力范围内,读写小编码的自信。
麻省理工公开课 - 计算机科学及编程导论课程节选

Gun-control regulations tend to be popular in cities and unpopular, often deeply so, in rural areas.
ECONOMIST: Guns and the Supreme Court