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
Let me confirm your name and room number.
我需要确定一下您的姓名和房间号码。
His friend was injured in an airplane crash.
他的朋友在飞机碰撞中受伤。
Yes. I was a little ill.
是的，我有点不舒服。