Definition: to do an experiment Level: C2
科学家经常在老鼠身上做实验来研究人类疾病。
Scientists often ___experiment on mice to study human diseases.
在实验室里，科学家们通过实验来推进知识。
In laboratories, scientists ___experiment to advance knowledge.
研究人员必须小心地进行实验以确保有效的结果。
Researchers must ___experiment carefully to ensure valid results.
