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focal ['fəukl]
基本释义
- a. 焦点的,在焦点上的
词形变化
- 副 词:fo'cal·ly
常用短语
参考例句
- Having three focal lengths.
三焦距的有三个焦距的 - A central part;a focal point.
中心部分;焦点
- Having three focal lengths.
英英解释
2个形容词解释
- of or relating to a focus
[例]- focal length
- having or localized centrally at a focus
[例]- focal point
- focal infection
- of or relating to a focus