1、a medieval brass instrument with a clear shrill tone
帶有清晰的尖音音質(zhì)的中世紀(jì)銅樂(lè)器。

2、Then a brass instrument enters and what is the name of this brass instrument?
然后一個(gè)銅管樂(lè)器出現(xiàn)了,那么這個(gè)銅管樂(lè)器是什么

3、a brass instrument resembling a cornet but with a wider bore
形狀像短號(hào)但是帶有粗管的銅樂(lè)器。

4、The horn obviously is a brass instrument and what makes the sound is a vibrating column of air.
顯而易見(jiàn)的，圓號(hào)是個(gè)銅管樂(lè)器，它通過(guò)震動(dòng)空氣柱來(lái)發(fā)出聲音。

5、Popping frequency The lowest resonance of a brass instrument mouthpiece.
突出頻率(11)銅管樂(lè)器吹嘴的最低共振頻率。