ratchetのようなどんな単語でも探してください。
 
1.
environment that favors rapid growth or development.
The riverside neighborhood was a hotbed of crime.
Morgan Tierneyによって 2006年10月31日(火)
 
2.
where one bed is shared by two people who work "shift work", they sleep at alternate times, as one wakes up, the other goes to sleep, hence having a "hot bed"
Sid drew the short straw and got the hot bed!
longducdongによって 2010年08月16日(月)
 
3.
a place where something is in abundance
The second level in thier latest game was a hotbed fopr glitches.
The Return of Light Jokerによって 2009年07月24日(金)
 
4.
a place where an item or activity is extremely popular
North Carolina, Kentucky, and Indiana are hotbeds for the sport of basketball.
hoopsjunkieによって 2011年12月26日(月)