最終更新日:2022/12/07
正解を見る

A high-pitched whistle, inaudible to humans, used to train dogs. / (figuratively) That which is understood only by a narrow demographic.

編集履歴(0)

Dictionary quizzes to help you remember vocabulary

編集履歴(0)

ログイン / 新規登録

 

アプリをダウンロード!
DiQt

DiQt(ディクト)

無料

★★★★★★★★★★