| 单词 | air passage |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔bronchodilator〕A drug that widens the air passages of the lungs and eases breathing by relaxing bronchial smooth muscle.支气管扩张剂：一种可加宽肺里空气通道的药物，并通过放松支气管的平滑肌来使呼吸轻松美国传统〔passage〕Her air passages were blocked.她的呼吸道堵塞。麦克米伦高阶〔venturi〕A constricted throat in the air passage of a carburetor, causing a reduction in pressure that results in fuel vapor being drawn out of the carburetor bowl.文丘里管：汽化器空气通道中的一段喉管，导致压力减小从而把燃料的蒸气抽出汽化器的碗状部分美国传统 |
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