Simple quad
[电] 单线组
🧩 词语组成解析
quad
[kwɔd]
n. 四倍;空铅;（大学的）四周有建筑物围绕的方院;四胞胎之一;
vt. 在…填补空铅;
🗣️ 情景例句
What time do your classes start?
你的课什么时候开始？
It seems he's the big boss.
看起来他好像是大老板。
A man was walking through a wood and he came across a woodcutter.
一个人正步行穿过一片树林，他遇见一个伐木工人。