difficult的名词形式.表示“困难”,如果是可数的话顺便写写复数形式.

问题描述:

difficult的名词形式.表示“困难”,如果是可数的话顺便写写复数形式.

diffculty
diffculties

difficulty n. 困难,艰难,难处,困境
复数:difficulties

difficulty
difficulties

名词:difficulty
复数:difficulties