expended的音标？

She expended all her efforts on the care of home and children.她把所有精力都花在料理家务和照顾孩子上。The enemy had expended all their ammunition.敌人已耗尽所有的弹药.They have expended all their ammunition.他们把弹药用光了....

v.花费( expend的过去式和过去分词 )，使用（钱等）做某事，用光，耗尽...