It is well known that the compass was invented in China four thousand years ago.

众所周知，中国人在四千年前就发明了指南针。

youdao

But there are 13 of women in Egypt using cosmetics more than four thousand years ago.

但是，有13个妇女在埃及使用化妆品超过四千年以前。

youdao

Four thousand years ago, the vernal equinox was calculated using the shadows of the pyramids.

四千年前，金字塔的阴影被用来计算春分。

youdao

Other experts say glass making first started four to five thousand years ago in ancient Mesopotamia, present day Iraq and Syria.

VOA: special.2009.09.16

Africa had an estimated seventeen thousand white rhinos and four thousand black rhinos as of two years ago.

VOA: special.2009.12.14

About twenty-four-thousand years ago, it rained a great deal in the area.

VOA: special.2010.01.04

It's because in the old days, which was three or four years ago, not a thousand years ago, the video stores, namely Blockbuster, bought their videos depending on how many people came on an opening weekend.

NPR: Is Hollywood Wasting Money Selling Movies to Teens?