Perfect dielectric
[计] 理想介质
🧩 词语组成解析
n. 电介质, 绝缘体\\na. 非传导性的
🗣️ 情景例句
That's good, I thought I was late.
太好了，我还以为我来迟了呢。
I don't have the time for any more extra-curricular activities.
我没有更多的时间从事课外的活动了。
Last week No.14 Middle School held a sports meeting on the playground.
上星期第十四中学在操场举行了一次运动会。