Scientists use scientific methods to test hypotheses and validate their research findings. In the biology class, we conducted an experiment to observe how plants grow under different light conditions.

名词 “experiment、test” 和 “trial” 都可以表示 “试验”，它们之间的主要区别是：“experiment” 突出了实验的目的是发现、发明新事物、证明假设。 “Test” 强调 “试验的目的是证明人是否有特定的能力，事物的性能是否正常或有没有效果”。

While international user experiment time currently accounts for only 4 percent of the total, the facility aims to surpass 20 percent within five years, a goal experts described as realistic given ...