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
about the possibilities.
有多大的可能性。
I meet the boy whose aunt is an accountant.
我遇到那个男孩的姑妈是会计。
I meant to tell you yesterday, but you were not in your office.
我原想昨天告诉你的，但你没在办公室。