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
I hear they intend to marry.
我听说他们打算结婚。
I often do home work in the afternoon.
我常常在下午做功课。
If I were you, I wouldn't have bought that vase.
如果我是你，我就不买那花瓶。