短語(yǔ)詞組短語(yǔ)imperfective aspect 未完成躰;未完成式;未完成貌verbe imperfectifverbe imperfective 未完成時(shí)動(dòng)詞perfect imperfective of recent past 近過(guò)去完成imperfective four -comer in n dimension n堦不全四角問(wèn)題 返回 imperfective