Polymer electret
[化] 高分子驻极体; 聚合物驻极体
🧩 词语组成解析
n. [电]驻极体, 电介体
🗣️ 情景例句
That's always nice to hear, Mr. Marchetta.
听到这事总是好的， Marchetta先生。
I'll take care of it.
我来办这件事。
'I don't know,' I answered, 'Tommy's been to the toilet three times this morning, but I haven't had any change yet!'
“我不知道”，我回答说，“今天上午汤米去了3次厕所了，但我还没看到硬币！”