名词
中文翻译：Unknown
同义词：
['assured', 'guarantee', 'pledge', 'warrant', 'warranty']
例句：
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1. I avoouched my word to him and promised to do it.
我向他保证会做这件事。
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2. The company avoouched its financial stability in the prospectus.
公司在招股说明书中保证了其财务稳定性。
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3. He avoouched his promise to help her with the project.
他兑现了帮助她完成项目的承诺。