adj.有头脑的，聪明的，多智的( brainy的比较级 )...

brainstormed的音标：...

drain的近义词/同义词有：empty, dry, draw, off, deprive, use, exhaust, filter, spend, off, expense, filter, pour, exhaust, use, expenditure, deprive, spend, mouth, dry, empty, draw, ditch。vt.drain的近义词（排掉水;晒干）：empty, dry, draw, off...