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
Is that it?
就这些吗？
If I buy tha car,I'll have to borrow some money.
如果我买了那汽车，我将不得不借一些钱。
but when she got out at her own floor, both were forgotten in her sudden discovery that her front door was open.
但她到自己的楼层走出电梯后，就把这两件事忘了个干净，因为她突然发现她家的大门开着。