素朴sùpǔ 1.朴素;不加修饰的{simple and unadorned; plain and simple}: 这些描绘草原人民生活的画面都很～动人。{These pictures depict life on the grasslands with charming simplicity.} 2.萌芽的;未发展的(多指哲学思想{oft. referring to philosophical thoughts}){embryonic; rudimental}: ～唯物主义。{materialism in the embryonic stage}