optical

US /ˈɑptɪkəl/

UK /ˈɒptɪkl/

B1 中級英檢高級
adj.形容詞視力的;光學的
I need optical help if I want to read clearly

影片字幕

有史以來最失敗的 30 大科技產品 (Top 30 Biggest Tech Product FAILS of All Time)

27:33有史以來最失敗的 30 大科技產品 (Top 30 Biggest Tech Product FAILS of All Time)