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词汇 老化
释义
老化 lǎohuà verb Chemistry [of macromolecular compound] age 塑料盆已经老化。 The plastic tub has already aged. 指机能degenerate 动脉血管老化变硬。 Arterial blood vessels become degenerated and hardened. 指年龄grow old 教师队伍老化。 The teaching corps is ageing. 指知识、技术become outdated 设备老化 obsolete equipment 知识老化。 The knowledge becomes outdated.
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