有不少人只知道“蔓延”，却不知道还有“曼延”和“没延”，常在该用“曼延”或“漫延”的地方都错误地用上了“蔓延”。其实，“曼延”、“没延”、“蔓延”虽读音相同《都读mdRydD），但其词义和用法是不相同的。“曼延”的“曼’堤长或远的意思。“曼延”，即连绵不断。‘? Many people only know “spreading” but do not know that there are “delaying” and “delaying.” Often they are mistakenly used for “spreading” when they use “delaying” or “delaying.” In fact, “Man Yan”, “no delay”, “spread” although the pronunciation of the same “read mdRydD), but its meaning and usage are not the same. ”Man Yan“ of the ”Man“ embankment or far meaning. ”Man Yan", that is continuous.