Ducs
(duc 的復數) abbr. [電子]數字上變頻器（Digital Up Converter）
??? 情景例句
Biology and mathematics.
生物學和數學。
I'm not feeling well.
我感覺不舒服。
In the process, he enjoyed himself thoroughly and kept telling everybody how much he hated hospitals.
在晚會上他盡情娛樂，一再告訴大家他是多么討厭醫院。