focal
英 [ˈfəʊ.kəl]
美 [ˈfoʊ.kəl]
将“focal”与“focus”联系起来记忆。想象一个镜头(focus的意味)对准(focal的“中心的”、“焦点的”)一个点,这样就可以将“focal”记住为“焦点的”或“中心的关键部分”。
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- focal (adj.)
- "of or pertaining to a focus," 1690s, from Modern Latin focalis; see focus (n.) + -al (1).
- 1. In rural areas, the school is often the focal point for the local community.
- 在农村,学校常常是当地社区的活动中心。
- 2. The brochure described the library as the focal point of learning on the campus.
- 这本小册子把图书馆形容为校园学习的中心。
- 3. Consequently, even as the blogosphere continues to expand, only a few blogs are likely to emerge as focal points.
- 结果,尽管博客圈继续扩大,但仅有少数的博客有可能脱颖而出,成为关注的焦点。
- 4. A typical lens has a focal length ( f ) of 625 mm.
- 常见镜头的焦距 ( f ) 为625毫米.
- 5. As a result, the focal lengths in these planes will be different.
- 结果, 这两个平面内的焦距将不同.