A recorder is a wind musical instrument and it has a mouthpiece at the top. 竖笛是一种吹奏乐器，它在顶端有一个喉舌。

　　A recorder has seven finger holes on the front, and one finger hole on the back. 竖笛的7个指孔在前端，1个指孔在尾端。

　　A recorder is a very simple musical instrument, so it is used for teaching music to children. 竖笛是一种非常简单的乐器，所以可用于教小孩子音乐。

　　A recorder has a long history. 竖笛的历史源远流长。

　　The first recorder was made from a sheep bone. 最早的竖笛是由羊骨做成的。