B-quad
[电] B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
He is in a good mood.
他的心情很好。
He who cannot hold his peace will never live at ease.
嘴巴不紧，生活不宁。
Now a group of enthusiasts are going to have the plane restored.
一群热心人计划修复这架飞机。