令人震惊地，这种毫无作用又危险的外科手术直到20世纪30年代才结束。

Shockingly, this useless and dangerous surgery did not end until the 1930s.

《柯林斯英汉双解大词典》

这就唤起了1990年代早期的危险记忆，其时，投资者把钱倾入任何贴有“新兴市场”标签的基金。

This brings back alarming memories of the early 1990s, when investors poured money into any fund with an "emerging market" tag.

youdao

“我认为真正的危险在那些数以百计甚至千计的小水坝，其中一些水坝年代非常古老，之前从未经历过此类地震”，他说。

"I think the real danger will be from hundreds, maybe thousands, of smaller DAMS, some of them possibly very ancient, which have never experienced this sort of shock before," he said.

youdao

I think that many years ago, in the early 90s or 80s, or the 70s even, it was a very dangerous city.

我想很多年以前的八九十年代或者甚至七十年代，它是一个非常危险的城市。

在上西区 - SpeakingMax英语口语达人