explain

/ɪkˈspleɪn/

make plain and comprehensible

中文释义：解释；说明；阐明

The teacher explained the complex theory using simple diagrams.

老师用简单的图表解释了复杂的理论。

Could you explain why the experiment failed to produce the expected results?

你能解释为什么实验未能产生预期结果吗？