| 单词 | conical bore |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔oboe〕A slender woodwind instrument with a conical bore and a double reed mouthpiece, having a range of three octaves and a penetrating, poignant sound.双簧管：带有一个圆锥形孔和双簧管吹口的细小的木管乐器，具有三个八度音域和穿透力强而尖利的声音美国传统 |
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