Lake Messel formed in a steep-sided volcanic crater called a maar.

梅塞尔湖形成于一个 叫做玛尔的陡峭火山口。

There are at least four more spectacularly preserved taxa of bats from just a bit later, around 47 million years ago, from the Messel Pit in Germany, a site we've talked about before.

不久之后，大约 4700 万年前，德国的 Messel Pit 至少有四种保存完好的蝙蝠分类群，这是我们之前讨论过的遗址。