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
They don't ask how much someone paid for something.
他们不问别人买某个东西要花多少钱。
Quick! Seize that child before she falls down.
快！趁还没掉下去，快抓住那孩子。
The Macdonalds finished supper at Macdonald's, and then bowled at the bowling alley.
麦可糖那一家在麦当劳吃过晚饭后去球馆打保龄。