基本解释n.[計]光筆(計算機的一種輸入設備)同根派生 lightpen相关词英汉例句用作名詞 (n.)They had recently installed their lightpen system in a supermarket for stocktaking purpose.他們最近在超級市場安裝了用於磐點庫存的光筆系統。lightpen更多例句