元となった辞書の項目
マットレス
noun
mattress (a pad on which a person can recline and sleep)
意味（1）
mattress (a pad on which a person can recline and sleep)
mattress (a pad on which a person can recline and sleep)
mattress (a pad on which a person can recline and sleep)
DiQt（ディクト）
無料
★★★★★★★★★★
