英语词汇trial balloon怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	trial balloon
释义	trial balloonn.（名词） An idea or a plan advanced tentatively to test public reaction.试行方案：为试探公众反应所做的计划或产生的想法 Etymology语源 [From the use of balloons to test weather conditions] [源于用气球测试天气状况]
随便看	enrobe enrol enroll enrolled enrolling enrollment enrollments enrolls enrolment enrols enroot en route ens ENS -ens ensanguine ensanguined ensanguines ensanguining Enscheda ensconce ensconce ensconced ensconces ensconcing

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