focal
adj. 焦点的，在焦点上的；灶的，病灶的
例句
The focal point for the town's many visitors is the museum.
许多到该城的游客关注的重点是这座博物馆。
《柯林斯英汉双解大词典》
Consequently, even as the blogosphere continues to expand, only a few blogs are likely to emerge as focal points.
因此，虽然博客空间继续扩大，但只有少数博客有可能脱颖而出成为焦点。
The castle forms the focal point of the city.
这座城堡是城市的中心。
《牛津词典》
