noun ダウンロード 🔗共有 コメツキムシ Any of various beetles of the family Elateridae, generally less than 20 mm long, which, if turned upside down, flip themselves into the air with a clicking sound. Examples : "The child giggled as the click beetle, accidentally flipped onto its back, righted itself with a loud "click" and a jump. " 子供は、誤ってひっくり返ったコメツキムシが、大きな「カチッ」という音とジャンプで体を起こすのを見てくすくす笑った。 animal insect biology nature AIとチャット語彙ゲーム読解練習