| 单词 | trial balloon |
| 释义 | trial balloon 1 ENTRIES FOUND: trial balloon noun plural trial balloons trial balloon noun plural trial balloons Learner's definition of TRIAL BALLOON [count] : something that you do or say in order to find out what people think about an idea, plan, etc.试探性行动（或言论）
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英汉双解词典包含109353条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。