/ˈfoʊ.kəs/
名词
（尤指注意力或兴趣的）中心，焦点
I think Dave likes to be the focus of attention.
我觉得戴夫喜欢受人关注。
（物理学中光波、声波等的）焦点，聚光点
Make sure the image is in focus.
确保图片清晰。
想跟读，去练习
