diaphanoscope 透照鏡; 徹照器
di·aph·a·no·scope /daɪˈæfənoˌskop/ 名詞 (電光)透照鏡,透照器,透照燈
Di·a·phan·o·scope n. Photog. A dark box constructed for viewing transparent pictures, with or without a lens. ◄ ►