“乾类词”指语义特征为“没有水分或水分很少”的一类词。汉语史上“乾、燥”势力最大,东汉前,由方言同义词变为通语词,东汉至隋唐,“乾'在北方发展迅速,是北方通语词,唐以后,”乾'至少在北方口语中载胜“燥”成了强势词,并进一步跃升为主导词,沿用直今。 “Dried words ” refers to the semantic meaning of “no water or less moisture, ” a class of words. From the Eastern Han Dynasty to the Sui and Tang dynasties, the “dryness” developed rapidly in the north and became the northern pass word after the Eastern Han Dynasty, and the “dry” after the Tang Dynasty. At least in the northern spoken language contained “dry ” became a strong word, and further jumped as the dominant word, use today.