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
Where there's a will, there's a way.
有志者事竞成。
Thank you very much for saying that.
非常感谢你这样说，。
Though he managed to take a number of brilliant photographs, he could not stay near the volcano for very long.
尽管他设法拍了一些十分精彩的照片，但他却不能在火山附近停留太长的时间。