底片 [－－]

Jyutping dai2 pin2
Pinyin dǐ piàn

Definitions (粵典–words.hk)
  1. 名詞、書面語
    即​係​菲林
    photographic film

底片 [－－]

Jyutping dai2 pin3
Pinyin dǐ piàn

Definitions (CC-CEDICT)
  1. negative
  2. photographic plate
Definitions (Wiktionary)
  1. noun
    film negative
    (syn.) 像底, 片底, 影底
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    相机里忘了放底片了！
    相機裡忘了放底片了！
    xiàng jī lǐ wàng le fàng dǐ piàn le ！
    • I forgot to put film in the camera.