Complete the following statements with proper words or expressions according to the course book.The development of word-meaning from monosemy to polysemy follows two courses, traditionally known as( ) and concatenation.
【正确答案】：RADIATION
【题目解析】：词义从单义到多义的发展遵循两个过程，传统上称为辐射型和连锁型。The development of word-meaning from monosemy to polysemy follows two courses, traditionally known as radiation and concatenation.
