noun ダウンロード 🔗共有 フナクイムシ Any of several wormlike marine mollusks (not true worms) of the family Teredinidae, that bore through the wooden hulls of ships and other woody material immersed in salt water. Examples : "The old wooden pier was weakened by shipworm damage, making it unsafe to walk on. " 古い木の桟橋はフナクイムシの被害で弱くなり、歩くのが危険になった。 nautical organism animal biology ocean environment AIとチャット語彙ゲーム読解練習