重点 /zhòngdiǎn/ angolul

focal point▼((optics) a focus; a point at which rays of light or other radiation converge)
noun
[UK: ˈfəʊk.l̩ pɔɪnt] [US: ˈfoʊk.l̩ ˈpɔɪnt]

spotlight [spotlights]▼(the center of attention; the highlight or most important part)
noun
[UK: ˈspɒt.laɪt] [US: ˈspɑːˌt.laɪt]