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
Our fiftieth reunion?
是我们的五十年重聚？
We'd like to clear up some points connected with the technical part of the contract.
我们希望搞清楚有关合同中技术方面的几个问题。
Both girls write to each other regularly now.
现在这两位姑娘定期通信了。