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
He forgave me for losing his notebook.
他原谅我遗失他的笔记本。
Please speak slowly, so I can understand you.
请慢慢地说，那样我就能听得懂你说的话了。
The train was traveling at 120 miles an hour.
火车时速一百二十英里。