Sound barrier
音障
📖 牛津释义
sound barrier
(also sonic barrier), point at which an aircraft's speed equals that of sound waves, causing sonic booms 声障; 音障
break the sound barrier, ie move faster than the speed of sound 突破声障（即以超声速飞行）.
🧩 词语组成解析
sound
[saʊnd]
n. 声音，声响;音调，声调;声波;嘈杂声;
vi. 响，发声;听起来，好像;回响;[音乐]乐器等被奏响;
vt. 使出声，使发声;清楚地发出;宣布，发表;颂扬;
adj. 健全的;合理的;完好的，无损的;明智的;
adv. 彻底地，充分地;
🗣️ 情景例句
Everything is fine, Michelle.
一切都好， Michelle。
In Britain, there are open universities.
在英国，有成人大学。
Gandhi believed that one should be able to love the most ordinary being on earth as oneself.
甘地认为一个人应能像爱他自己一样去爱世界上最普通的人。