n.(名词)

1. 【音】长号
2. 伸缩长号
3. 拉管
4. 长度可调的U形波导节
5. 伸缩喇叭
6. 长喇叭

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1. There are some wonderful trumpet and trombone solos in the piece.
   这支乐曲中有一些美妙的小号和长号的独奏。
2. The trombone is an essential musical instrument for a symphony orchestra.
   拉管是交响乐队不可缺少的乐器之一。