Graded insulators
[电] 分层绝缘体
🧩 词语组成解析
a. 分等级的；按年级分的
n. 绝缘、隔热或隔音等的物质或装置( insulator的复数形式 )
🗣️ 情景例句
What would you say is the most popular sport in your country, Mr. Lu?
陆先生，你们国家什么运动最流行？
For once, I haven't taken the wrong train!
我从来不曾误搭过一次列车。
It'll make the cabbage plants grow big and strong.
它能使白菜秧长得又大又壮。