trial balloon

英 [trial balloon]
美 [trial balloon]

中文释义

[体]测风气球

单词分析

单词结构：

trial balloon

字母数：13

记忆提示

🎯 重点记忆：

  • 单词拼写：trial balloon
  • 核心含义： [体]测风气球

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更新时间：2026-01-31 15:26:38