bifocal
常见例句
- 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。 - He had beautiful skin, with rosy cheeks, blue eyes, rimless round bifocal spectacles, resting on the tip of his nose.
他皮肤很好，面颊红润，眼睛深蓝，鼻梁上架着一副无框双焦眼镜。 - The entire arrangement makes it easy for this bifocal fish to spot a tasty bug flying above the water, or a bit of algae below.
这个构造使四眼鱼能够很轻松地发现一只从水面飞过的美味的虫子，或者水面下的一点水藻。 - Benjamin Franklin: statesman, author, postmaster, inventor of the bifocal, the lending library and the Franklin stove.
FORBES: Magazine Article - In the 1780s, Benjamin Franklin invented the bifocal.
FORBES: Magazine Article 返回 bifocal