Knob insulator
[电] 捻头绝缘器
🧩 词语组成解析
knob
[nɑb]
n. 球形把手;（收音机等的）旋钮;小块;疙瘩;
v. 鼓起;使有球形突出物;给（门等）装球形把手;
insulator
['ɪnsəletɚ]
n. 绝缘，隔热或隔音等的物质或装置;隔离者;隔离物，隔振子，隔电子;
insul岛屿+ator表示人或物 → 像岛一样的人或物 → 把...隔开 → 隔绝者，绝缘体
🗣️ 情景例句
The cost of housing's too high for you here.
这里的房子对你们来说太贵了。
What's your nationality?Are you a Chinese?
你的国籍是什么？你是中国人?
It was the last day of the year and a large crowd of people had gathered under the Town Hall clock.
那是一年的最后一天，一大群人聚集在市政厅的大钟下面。