bifocal的用法和樣例：
例句
用作形容詞 (adj.)
- Some manufacturers are also developing bifocal IOLS, which may eliminate the need in some patients for prescription glasses after surgery.
有的製造商在研究雙焦點的人工晶體，這可能會讓一些手術后需要用處方眼鏡的患者不再需要眼鏡。
辭彙搭配
- bifocals 遠近視兩用眼鏡...
- bifocal spectacles [醫] 雙焦點眼鏡...
- bifocal demand pacemaker 雙灶性按需起搏器...
- bifocal chord of a quadric 二次曲面的兩焦點弦...
- bifocal glass 雙焦眼鏡,雙光眼鏡,...
