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
That's what it is.
的确是如此。
Skiing is such a difficult sport that it's more work than play.
滑雪是非常困难的运动，真所谓工作高于游戏呀。
Yes, thank you. I've had a wonderful time.
是的，谢谢你。我过得愉快极了。