a collection of several pieces of music, made available as a single item on a CD, the internet, etc.

Have you heard their new album? 你听过他们的新专辑吗？

a book with plain pages, used for collecting together and protecting stamps, photographs, etc.

a stamp/photograph album 集邮册／像册

We've put the best wedding photos into an album. 我们已经把婚礼上拍得最好的照片放进了像册。