Graded insulators
[电] 分层绝缘体
🧩 词语组成解析
a. 分等级的；按年级分的
n. 绝缘、隔热或隔音等的物质或装置( insulator的复数形式 )
🗣️ 情景例句
Do I have to remind you yet again?
还需要我再次提醒你吗？
I only had five dollars.
我只剩五美元。
Though a little suspicious this time, the policeman gave him the same answer.
虽然那位警察这次有点疑心，但还是对他作了同样的回答。