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 has the reputation of being bright.
他以头脑好而闻名。
Can you tell one from the other?
你能区别哪个是哪个吗？
The first question to answer is whether a planet can actually support life.
第一个需要解答的问题是一颗行星是否有能够维持生命的条件。