基本解释adj.双焦点的n.双重焦点透镜；双光眼镜同根派生 英汉例句用作形容词 (adj.)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。