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英语单词“focal”的意思是：焦点的；集中于某一点。
读音：英 [ˈfəʊkl] 美 [ˈfoʊkl]
例句：
1. The sound is at its focal point at this time of day. (这句是半相关句子) 每天这个时候，声音正是处在最聚焦点。
2. Your desk has a focal point on it and when your going to apply force or you can shift weight over the different area for greater support.(用于描述物体受力时)，你有一点为着力点。改变力量分布到不同的区域，可以得到更好的支撑。
3. The doctor has given her a focal point for her pain and now she is happy. (这句是半相关句子) 医生给她指出了疼痛的焦点，现在她很开心。
4. Focal plane array technology is now used in digital still cameras and other applications. (例句可用于解释说明) 焦平面阵列技术如今应用于数字静态摄像机和其它的一些设备当中。
5. GlaxoWellcome made around $US4billion a year on products and vaccines mainly in South and Central America focused in Bolivia. 具体来看葛兰素西布昂沙就在玻利维亚只卖出各种药制品给南方、中美洲和中部地带以赚取约4亿美元的年收入。
6. The first time I saw the word "focal" was in a marketing document about a company that sells hearing aids. 第一次看到“focal”这个词是在一家助听器公司的营销文件中。
7. Focal plane arrays are being used in spacecraft for imaging, navigation, and communications. (例句可用于描述空间技术) 焦平面阵列正在被用于航天器的成像、导航和通信方面。
8. Focal plane arrays are being used in automobiles to improve the quality of rear-seat passengers' entertainment experiences. (例句可用于描述汽车技术) 焦平面阵列正在被用于汽车中，以提高后排乘客娱乐体验的质量。
9. The focal point of the concert was a performance of Beethoven's Ninth Symphony. (例句可用于描述音乐会) 音乐会的主要焦点是一场贝多芬第九交响乐的演出。
10. The focal point of the city is the cathedral, which dominates the skyline and attracts tourists from all over the world. 这个城市的最亮点就是大教堂了，它是城里的制高点并且吸引着全世界的游客。（可以借来作为评价应用的环境的一部分）
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