underwriters' laboratories

英 [underwriters' laboratories]
美 [underwriters' laboratories]

中文释义

[经] 保险研究所

单词分析

单词结构：

underwriters' laboratories

字母数：26

记忆提示

🎯 重点记忆：

  • 单词拼写：underwriters' laboratories
  • 核心含义：[经] 保险研究所

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更新时间：2026-04-01 18:36:30