人们认为多种稀有动物已受到灭绝的危险的翻译：It is thought that many rare animals are threatened with extinction 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

It has been considered a variety of rare animals, the risk of extinction

It is thought that many rare animals are threatened with extinction

The people thought many kinds of rare animals have received the danger which exterminates

It is believed that many species of rare animals have been in danger of extinction

It is thought that many rare animals are threatened with extinction