noun ダウンロード 🔗共有 ホシハジロ Any of various diving ducks of the subfamily Aythyinae, especially the common pochard, Aythya ferina. Examples : "My uncle saw a beautiful pochard swimming in the pond near his house. " 私のおじは、家の近くの池で美しいホシハジロが泳いでいるのを見ました。 animal bird nature AIとチャット語彙ゲーム読解練習