bifocal
adj. 双焦点的
n. 双重焦点透镜；双光眼镜
名词：bifocalism
英英释义
Adjective
- having two foci;
"bifocal eyeglasses"
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。