retention [rɪˈtenʃn]以下由轻松背单词网站提供
单词级别第7级基本释义n.保留,保持,保持力,记忆力英英释义the continued use, existence or possession of something or someone参考例句They advocate the retention of our nuclear power plants. 他们主张保留我们的核电厂。His retention of energy at this hour is really surprising. 人们惊叹他在这个时候还能保持如此旺盛的精力。 推荐阅读 |