trial balloon

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（美）测验风速气球；（美）试探行动

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近义词

n.

trial, trial run, test, tryout, balloon

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ethyltoluene, ethylurethan, ethymal, ethynation, ethyne, ethynyl, ethynylation, ethynylbenzene, ethynylene, ethyoxyl,

相似单词

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triakisoctahedron, triakistetrahedron, trial, trial and error, trial balance, trial balloon, trial court, trial judge, trial lawyer, trial period,

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