Spool insulator
[电] 蝴蝶绝缘体
🧩 词语组成解析
spool
[spu:l]
n. 线轴，线管;线轴状物;卷络的数量[长度];缠线框;
vt. 把…绕在卷轴上;缠绕;
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
Columbia's a terrific school.
Columbia，是一所很棒的学校。
Eat one's cake and have it.
又要马儿好，又要马儿不吃草。
Permission was granted and a policeman accompanied him to a pay phone.
警察同意了，陪他来到一个投币地电话前，