Quadruplex
a. 四倍的, 四重的, 四路多工的, 四重信号的\\n[计] 四工系统
🗣️ 情景例句
Oh, I took the liberty of ordering some breakfast for you.
噢 ，我冒昧给你们订了早餐。
You scared me!
吓我一大跳！
Dear May,
亲爱的梅，