a country, organization, or person with a lot of influence, power, or energy强国;权势集团;显贵;身强体壮的人;精力充沛的人
Germany is an economic powerhouse.德国是经济强国。
The university is no longer the academic powerhouse that it once was.这所大学今非昔比,已不再是学术巨人了。
She's a powerhouse of original ideas and solutions.她总有许多独到的见解和具有创意的点子。