Sonic barrier
音障
📖 牛津释义
sonic barrier
= sound barrier (sound).
🧩 词语组成解析
sonic
[['sɔnik]]
a. 音波的, 音速的, 声音的\\n[电] 音波
🗣️ 情景例句
They are above average 85. I'm among the upper third of my class.
我的平均成绩在85分以上。我是全班第三名。
He has a headache and needs aspirin.
他头痛，需要阿斯匹林。
The village is on a river.
它靠近一条小河。