The Color of Tennis Balls网球颜色趣谈

The tennis ball is such an unassuming object in our lives that we take its appearance for granted. Who hasn’t stumbled upon one of them， forgotten， in the far corner of their closet or garage？ Despite its passive presence， one of the most frenzied internet debates of 2018 centered on its distinctive color： Is it actually yellow， or is it green？ The shade in question originates from an unlikely source： David Attenborough， the legendary British documentarian known internationally for his Planet Earth series， played a pivotal role in how we see the tennis ball today.

生活中，網球是很普通的物件，我们从没把它当回事儿。（剩余4216字）

网站仅支持在线阅读（不支持PDF下载），如需保存文章，可以选择【打印】保存。