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
Well, OK. See if they have a room.
那， 好吧， 看看他们是否还有房间。
This man always has clean floors and wet feet.
这个男人常常弄湿了脚刷洗地板。
However, boxing was very crude, for these were no rules and a prizefighter could be seriously injured or even killed during a match.
不过，拳击是十分野蛮的，因为当时没有任何比赛规则，职业拳击手有可能在比赛中受重伤，甚至丧命。