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
Hey, Xiao Lu, what's up?
嘿，小陆，你好啊？
Why didn't you ask me for help?
为什么你不请我帮忙？
Are you sure you don't mind?
你敢肯定你不会介意吗？