澳洲新闻 (ABC新闻快递) 被带到美洲非洲奴隶的辛酸血泪史

 

During a period spanning¹ over 300 years, from 1514 onwards, more than 12.5 million African slaves were carried to the Americas.

从1514年起,跨越了300年的时光,超过1250万非洲奴隶被带到美洲。

1 spanning   

n. 跨度, 拉线, [数]生成, 长成 动词span的现在分词形式

参考例句：

• We call such a spanning subgraph T an economical spanning subgraph. 我们称这样的生成子图T为廉价的生成子图。
• These were serious investigations, each spanning several months. 这些审查都很慎重，每一个审查项目都要用几个月的时间。