元となった辞書の項目
急降下
noun
(of aircraft) nosedive; descent at a steep angle; plunge
意味（1）
(of aircraft) nosedive; descent at a steep angle; plunge
(of aircraft) nosedive; descent at a steep angle; plunge
(of aircraft) nosedive; descent at a steep angle; plunge
DiQt（ディクト）
無料
★★★★★★★★★★
