pí máo皮毛fur; fur clothingFrequency 3.3Meaningsfurfur clothingskin and hairsuperficialsuperficial knowledgeExample sentences这件皮毛大衣保暖性很好，但现在越来越多人选择更环保的材料。我对这门学科只了解一点皮毛，还需要系统地学习。