最初的竖笛是用羊骨头制作的。

The first recorder was made from a sheep bone.

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帮个忙，拿起你的竖笛和我一起演奏。

Do me a favor. Pick up your clarinet and play with me.

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竖笛是一种非常简单的乐器。

A recorder is a very simple musical instrument.

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竖笛是一种管乐器，竖笛的最上方有吹口。

A recorder is a wind musical instrument, and it has a mouthpiece at the top.

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竖笛拥有悠长的历史。

A recorder has a long history.

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竖笛拥有悠长的历史。

A recorder has a long history.

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