noun ダウンロード 🔗共有 精莢 A small sac within the reproductive tract of some female invertebrates, such as insects, which stores sperm until it is used to fertilize the ova. Examples : "The queen bee uses her spermatheca to store sperm collected from multiple drones, allowing her to fertilize eggs throughout her life. " 女王蜂は、生涯にわたって卵を受精させるために、複数の雄蜂から集めた精子を貯蔵するために精莢を使用します。 biology organism anatomy organ insect animal sex AIとチャット語彙ゲーム読解練習