Bi-focals
(bi-focal 的复数) adj. 双焦的；双焦点的\\nn. 双光眼镜；双重焦点透镜
🧩 词语组成解析
[计] 成批输入, 总线接口\\n[医] 铋(83号元素)
🗣️ 情景例句
No, not yet. What about you?
不， 还没有。你呢？
To operate a steam locomotive
驾驶蒸汽机车
Mr. Jones is with his family.
琼斯先生同他的家人在一起。