noun ダウンロード 🔗共有 セミ Any of several insects in the superfamily Cicadoidea, with small eyes wide apart on the head and transparent well-veined wings. Examples : "During the hot summer days, the loud buzzing of a cicada filled the air outside. " 暑い夏の日に、セミの大きな羽音が外の空気を満たした。 insect animal biology nature organism ecology AIとチャット語彙ゲーム読解練習