词义是语言社会对各种现象概括的抽象的反映，它巩固了整个社会对各种现象的理性认识的成果。由于人们认识世界必须从感性认识出发，然后才上升为理性认识，跨阶段是不行的，因此，任何人都无法直接理解完全陌生的词义。学话的孩子必须亲眼见过许多汽车，才能懂得汽车这个词的 Word meaning is the abstract reflection of various phenomena summed up by the language society, which consolidates the fruit of rational understanding of various phenomena in the entire society. Because people must understand the world from the perceptual knowledge, and then rose to rational understanding, cross-stage is not enough, therefore, no one can directly understand the meaning of a completely strange. The learned children must have seen many cars before they can understand the word car