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
You need to complete some forms before the class.
上课之前你得填一些表格。
Do you live with your parents?
你和你父母住一起吗？
The opinion does not survive experience of a popular Continental camping place.
但这种说法在受人欢迎的欧洲露营场地是站不住脚的。