利比里亚国家是一个半世纪前由来自美国的获得自由的奴隶建立的。

The state of Liberia was formed a century and a half ago by freed slaves from the United States.

《柯林斯英汉双解大词典》

她是来自非洲的奴隶。

She is a slave from Africa.

youdao

截至1860年，美国大约有四百万的奴隶。

As of 1860, there were about four million slaves in the United States.

youdao

Essentially what's going on here is the underlying Akkadian words, I guess, are awilum, mushkenum, and then a third category, slave.

本质上来说，这里所使用的是阿卡德的基础语言，也就是阿维鲁，穆什钦努以及属于第三级别的奴隶。

耶鲁公开课 - 旧约导论课程节选

So the status of slave was lowest, ; freed persons was next highest in Roman Law; and free people were next.

所以罗马律法中，奴隶的地位是最低的，然后是自由人;,接着是自由民。

耶鲁公开课 - 新约课程节选

This God is one who brings things into being, whether it's a cosmos from chaos, or now a new nation from a band of runaway slaves.

这个上帝使是一切得以存在的根源，不论是由混乱而来的宇宙秩序，或者是由一帮逃窜奴隶而来的新国度。

耶鲁公开课 - 旧约导论课程节选