preserving
/prɪˈzɜːrv/📚 14663高考四级六级考研雅思托福GREgmatIf you preserve a situation or condition, you make sure that it remains as it is, and does not change or end. 维护
noun [具体名词]保留，保存
He spoke about preserving the country as a secular state.
他谈到保持该国的非宗教国性质。
- preserving 出现在下面的课文中（提供视频、音频及笔记等可系统性学习）
- Lesson 48 Planning a share portfolio
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