404. That’s an error.
The requested URL /translate_c?depth=1&hl=zh-CN&prev=search&rurl=translate.google.com&sl=en&u=https://en.wikipedia.org/wiki/Natural_history&usg=ALkJrhhkSKr2eHhw2M-PyG4LeSFbh8N4tQ
was not found on this server. That’s all we know.