powerhouses
精力旺盛的人；动力室；发电所；权威人士
例句
The two teams are Eastern Conference powerhouses.
而且两队都是东部强队。
Africa also has its perennial musical powerhouses.
长期以来，非洲的音乐也有其自身的造诣。
What if your entire car was covered in these powerhouses?
想想看，如果你的整部车都覆盖上这种发电站会怎样？
