verb · to make something more complete or to augment by adding content, resources, or personnel

这种培训可以充实你的专业知识。

adjective · rich, full, or substantial in content, quality, or experience

他的生活过得既忙碌又充实。

verb · to strengthen or provide supporting evidence for an argument, theory, or statement

这些新发现充实了他的论点。