长笛音乐家用英语可以称为 "flutist"。

这个词来源于拉丁语 "flautus",意思是 "flute",即长笛。

一些例句:

She is a talented flutist. (她是一位有才华的长笛音乐家。)
The flutist played a beautiful solo. (那位长笛音乐家演奏了一段美妙的独奏。)
He is studying to become a professional flutist. (他正在学习成为一名专业的长笛音乐家。)