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
That was very kind of you.
你真周到。
I would like to talk to your chief.
我想请你们主管讲话。
It's seven thirty!
七点半了！