Well, you check memory very briefly, make a quick scan, and it's awfully easy to say to yourself, Ring, Rang, Rung, and very hard to say to yourself, Pare, Park: they come more slowly.
素早く記憶を思い起こしチェックして とても簡単にＲＩＮＧ，ＲＡＮＧ，ＲＵＮＧなどは言うことができますが ＰＡＲＥ，ＰＡＲＫなどは難しく なかなか思い出せません