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
It is not a terribly good film.
这不是一部特别好的电影。
Rubs me the wrong way.
真碍眼！
The tunnel would be well-ventilated if tall chimneys were built above sea level.
隧道就具备了良好的通风条件。