双光眼镜 meaning in English

bifocal

But , boy , could she use a new set of bifocals
但是,她为什么不换一幅好一点的双光眼镜呢
But , boy , could she use a new set of bifocals
但是,她为什么不换一幅好一点的双光眼镜呢
Not until she shifted her bifocals did she notice the handwriting , which read : " paid in full - - gregory zolton , d . v . m .
直到她推动双光眼镜的时候才注意到一行字：已全额付清? ?兽医学博士格雷戈里?佐尔顿。
Famous for his electrical experiments , this founding father invented the iron furnace ( a . k . a . the franklin stove ) , the lightning rod , bifocals and a carriage odometer , among other things
他的电流实验非常有名，他发明了铁熔炉，也叫弗兰克林熔炉，以及避雷针、双光眼镜、车架里程表和其他器件。