加an,因為它的發音是以元音開頭的: /ɪkˈsperɪmənt/I decided to conduct an experiment.
我決定做一項實驗。
The experiment went horribly wrong.
實驗弄得一塌糊塗。
As an experiment, we bought Ted a watch.
作為嘗試,我們給特德買了塊手錶。
This experiment was harmless to the animals.
這個實驗對動物無害。
I've never cooked this before so it's an experiment.
我以前從未做過這種菜,所以這是一個嘗試。