Electret transducer
[电] 驻极体换能器
🧩 词语组成解析
n. [电]驻极体, 电介体
transducer
[trænz'dju:sə]
n. 传感器，变频器，变换器;
🗣️ 情景例句
Then, when shall we sign the contract?
那么，我们什么时候签合同？
That's a good idea .
那是个好生意。
A huge iceberg was suddenly spotted by a lookout.
突然，了望员发现一座冰山。