1. Nowadays, these glasses are known as bifocals. 如今，这被称为双光眼镜。
2. Take care when stepping on and off the escalator; take extra care if you wear bifocals. 在上下扶梯的时候一定要留神，尤其是当你还戴着眼镜的时候。
3. I’m thankful that women my age will need bifocals to see the chin hairs that they missed plucking. 我对象我这般年纪的妇女需要双光眼镜才能看清下巴上漏拔的毛发而表示感谢。
4. Occasionally, children who have crossed eyes may need to have bifocals to help control the crossing. 偶尔有内斜视的孩子会需要双光镜来控制内斜。
5. It's scary when you have to look through the bottom part of your bifocals to shoot layups and the top part on jump shots. “这真让人害怕，当你上篮时得从远近视两用眼镜的底部往外看，而跳投时又得换成从顶部看过去”。
