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He argues strongly for retention of NATO as a guarantee of peace.他强烈要求保留北大西洋公约组织以维护和平。The company needs to improve its training and retention of staff.公司需要改进对员工的培训和留用工作。They advocate the retention of our nuclear power pl...
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He argues strongly for retention of NATO as a guarantee of peace.他强烈要求保留北大西洋公约组织以维护和平。The company needs to improve its training and retention of staff.公司需要改进对员工的培训和留用工作。The test result of strength retention of alkali - r...
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retention的音标：retention的英式发音音标为：[rɪ'tenʃn]retention的美式发音音标为：[rɪ'tɛnʃən]...