汉英词典
Chinese-English Dictionary
MEANING OF 老化
老化
to age (of person or object) / becoming old
①橡胶、塑料等高分子化合物,在光、热、空气、机械力等的作用下,变得黏软或硬脆。②指在一定范围内老年人的比重增长人口~ㄧ领导班子~。③知识等变得陈旧过时知识~。
lǎo huà
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