This scarf is made of wool-like acrylic that is warm and lightweight.

acrylic 是名词，指"丙烯酸纤维"，由词根 acryl（丙烯酸）和名词后缀 -ic（表示"与...相关的"）组成。这是一种合成纤维材料，具有类似羊毛的特性但更轻便耐用。