This happened a generation ago.

这件事发生在30年前.

《简明英汉词典》

A generation ago genetic codes were certainly unknown.

遗传密码在上一代确实很少有人知道.

《简明英汉词典》

A generation ago, it was thought that babies born this small could not survive.

20多年前,人们认为这么大点儿的新生儿是活不下来的.

柯林斯例句

A generation ago , men and women rarely mated with anyone from a different town or city.

而我们的上一代人却很少与自己所在城市以外的人婚配.

时文部分

Once before, a generation ago, world conditions had given women the chance for emancipation.

在过去, 一代人以前, 世界形势曾经给妇女获得解放的机会.

辞典例句

Just a generation ago, women were largely confined to repetitive, menial jobs.

就在上一代人, 女性被限制于主要从事重复生产 、 仆人工作.

互联网

Problems that were very appealing a generation ago may have been resolved.

在一代人以前非常热门的问题可能已被解决.

互联网

A generation ago , few outsiders had ever heard of Lake Lugu or the Mosuo.

在上一代, 少有外地人听说过泸沽湖或摩梭族.

互联网