复数： bifocals

Bifocal reading glasses are becoming popular and can be found wherever reading glasses are sold .

双部位花镜越来越受欢迎,哪里可以找到老花镜出售.

Julia adjusted her invisible bifocal glasses and entered the classroom .

茱莉亚调整了一下自己的双光隐形眼镜眼镜。

The effects of right ventricular bifocal pacing on cardiac function and qrs duration .

右室单双部位起搏对心功能和qrs宽度的影响。

Upper part of a bifocal lens that corrects nearsightedness .

改正近视眼一个双光眼镜的上部。

Wearing bifocal glasses by rodenstock you can 't overlook a slippery banana peel on the street .

带上.罗敦斯德的双光眼镜即使是地上滑滑的香蕉皮你也不会错过。