User-agent: Googlebot
crawl-delay: 1
Disallow: 

User-agent: bingbot
Crawl-delay: 1
Disallow:

User-agent: baiduspider
Crawl-delay: 1
Disallow:

User-agent: slurp
Crawl-delay: 1
Disallow:

User-agent: yandex
Crawl-delay: 1
Disallow:

User-agent: *
Crawl-delay: 10
Disallow: