bifocal

英 [ˌbaɪ'fəʊkl] 美 [ˌbaɪ'fəʊkl]

• adj. 双焦点的
• n. 双重焦点透镜；双光眼镜

英英释义

Adjective:

1. having two foci;

   "bifocal eyeglasses"
   

例句

用作形容词 (adj.)

1. Some manufacturers are also developing bifocal IOLS, which may eliminate the need in some patients for prescription glasses after surgery.
   有的制造商在研究双焦点的人工晶体，这可能会让一些手术后需要用处方眼镜的患者不再需要眼镜。

词汇搭配

• bifocals 远近视两用眼镜...
• bifocal spectacles [医] 双焦点眼镜...
• bifocal demand pacemaker 双灶性按需起搏器...
• bifocal chord of a quadric 二次曲面的两焦点弦...
• bifocal glass 双焦眼镜,双光眼镜,...