the sound barrier
音標(biāo)發(fā)音
- 英式音標(biāo) [?sa?nd ?b?r.i.?r]
- 美式音標(biāo) [?sa?nd ?b?r.i.?]
- 英式發(fā)音
- 美式發(fā)音
基本解釋
- 聲障,音障(指飛行物的速度達(dá)到音速時(shí)所産生的氣動(dòng)阻力急劇增大)。
英漢例句
- There is usually a sonic boom when an aircraft breaks the sound barrier. 飛機(jī)沖破聲障時(shí),通常會(huì)産生音爆。
noun [ S ]
英英字典
- a large increase in the force opposing a moving object as its speed reaches the speed at which sound travels