Graded insulation
[电] 层级绝缘
🧩 词语组成解析
a. 分等级的；按年级分的
insulation
[ˌinsju'leiʃən]
n. 隔离，孤立;绝缘;绝缘或隔热的材料;隔声;
🗣️ 情景例句
We'll have a great time camping out, I'm sure.
我确定我们会在露营时玩得很开心。
He has a piece of cake.
他有一块蛋糕。
They did not pay any attention.
他们却毫不理会。