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
OK. Now, I have ... first ... a couple of questions here.
好， 现在，我有……第一……几个问题。
I don't feel up to going to work today.
我今天不舒服，不能上班。
Choose any subject. Something about England, for example.
你可以选任何题日。例如，你可以谈谈英国的情况。