【正确答案】：
EXTENSION IS A PROCESS BY WHICH A WORD WHICH ORIGINALLY HAD A SPECIALIZED MEANING HAS NOW BECOME GENERALIZED.
【题目解析】：词义的扩大是一种最初具有专门意义的词现在被普遍化的过程。
EXTENSION IS A PROCESS BY WHICH A WORD WHICH ORIGINALLY HAD A SPECIALIZED MEANING HAS NOW BECOME GENERALIZED.