Nondirectional microphon
[电] 无定向微音器
🧩 词语组成解析
[电] 无向性
🗣️ 情景例句
How long has he held office?
他已任职多长时间了？
Have you heard the weather forecast?
你听天气预报了吗？
No, it isn't.
也没有。