bifocaled

例句：

1. 1. The camera has a bifocal lens, which allows for clearer images at both ends of the frame.
   这台相机有一个双焦距镜头，可以在画面两端获得更清晰的图像。
2. 2. She wore a bifocal eyeglasses to help her see better in low light conditions.
   她佩戴了一副双焦距眼镜，以便在低光照条件下看得更清楚。
3. 3. The bifocal design is popular among people who need to read small print or watch TV on a small screen.
   双焦距设计受到需要阅读小字或在小屏幕上观看电视的人的欢迎。