This fan is powerful and keeps the room cool.
這台電風扇很強,能讓房間保持涼爽。
The typhoon was powerful and scared many people.
這場颱風很強,讓許多人感到害怕。
She gave a powerful speech at the school assembly.
她在校會上發表了一篇有力量的演講。
My brother uses a powerful computer for games.
我哥哥用高效能的電腦玩遊戲。