Insulation grade
[电] 绝缘等级
🧩 词语组成解析
insulation
[ˌinsju'leiʃən]
n. 隔离，孤立;绝缘;绝缘或隔热的材料;隔声;
🗣️ 情景例句
My name is Li.
我姓李。
I would like to talk to your chief.
我想请你们主管讲话。
We've been anxious about you. We were expecting you back much earlier.
我们都为你们着急呢。都盼着你们早点儿回来。