导游带我们游览了这座城市的主要景点。

The guide showed us the main ___sights of the city.

随着年龄增长，他的视力开始逐渐下降。

As he grew older, his ___eyesight gradually weakened.

摄影师调整了相机的取景器以确保画面清晰。

The photographer adjusted the camera's ___sight to get a clear view.