今天来聊聊关于previous的名词，previous的文章，现在就为大家来简单介绍下previous的名词，previous，希望对各位小伙伴们有所帮助。

1、previous best以前最好 例句:1.Nasa radar astronomers picked up its track on friday and were immediately able to narrow its position to within one kilometer--50 times better than their previous best estimate. nasa的雷达天文学家周五发现了它的轨迹。

2、并立即将它的位置精确至一公里以内的区域。

3、比此前最好的估计精确了50倍。

相信通过previous这篇文章能帮到你，在和好朋友分享的时候，也欢迎感兴趣小伙伴们一起来探讨。