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
You'll be husband and wife.
你们就成为夫妻了。
Careful!
小心！
He did not see the bag until it was too late.
等他看见袋子时已经太晚了。