A derivative is something which has been developed or obtained from something else.
例句
...a poppy-seed derivative similar to heroin...類似海洛因的罌粟籽制劑This isn't an entirely new car, but a new derivative of the Citroen XM.這不是一款全新的車，而是雪鐵龍XM系列的派生車型。
ADJ-GRADED
模仿他人的;缺乏創意的
If you say that something is derivative, you are criticizing it because it is not new or original but has been developed from something else.
例句
...their dull, derivative debut album...他們沉悶乏味、缺乏創意的首張專輯A lot of what you see in stand-up comedy today is very derivative.如今人們看到的單人喜劇表演好多內容都是沿襲前人。