The sculpture was made from soapstone because it's soft and easy to carve.

soapstone 是由 soap（肥皂）和 stone（石头）组成的复合词。soap 指"肥皂"，形容这种石头表面光滑如肥皂；stone 指"石头"。soapstone 是一种质地柔软、易于雕刻的变质岩，常用于制作雕塑和工艺品。