magazine是可數(shù)名詞嗎

　　例句

　　This magazine has a large circulation.

　　這本雜志發(fā)行量很大。

　　This magazine comes out quarterly.

　　這種雜志一年發(fā)行四期。

　　I was reading a magazine when the phone rang.

　　電話鈴響時我正在看一本雜志。