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n.保存，保留
1、preservations───n.保存，保留
2、reservation───n.预约，预订；保留
3、preservative───n.防腐剂；预防法；防护层；adj.防腐的；有保存力的；有保护性的
4、preservatives───n.防腐的（preservative的复数）；[助剂]防腐剂；保存剂
5、conservation───n.保存，保持；保护
6、presentation───n.展示；描述，陈述；介绍；赠送
7、presentations───n.展示；自我介绍；业务陈述（presentation的复数形式）
8、reservations───n.保留；预定（reservation的复数形式）
9、preservationist───n.（对自然环境、古迹文物等的）保护主义者
1、The central issue in the strike was the preservation of jobs.───BaGong的核心问题是工作职位的保留。
2、The widow's gratitude for her preservation was outspoken.───这位寡妇将保全自己的感激之情一吐为快。
3、When a group of Christians disinterred his body a few months later, they were surprised to see it in a perfect state of preservation.───几个月后，当一群基督徒挖出他的尸体的时候，他们惊奇地发现他的尸体还保存完好。
4、China has not always been so effective at historical preservation, so future generations of Chinese may thank Hessler for his efforts.───中国不是一个很擅长保留历史的国家，所以在将来的某一天他们会感谢赫斯勒所作出的努力。
5、Preservation of the middle hepatic vein (MHV) for a right split liver transplantation (SLT) in an adult recipient is still controversial.───成人受体保留肝中静脉的劈裂式右肝移植仍有争议。
6、The paintings were in an excellent state of preservation.───这些绘画保存得非常好。
7、vegetable nor permanent preservation, what makes you think someone else's life always half the sky Hongtoushan?───蔬菜也不能永久保鲜，你又凭什么想在别人的生活里永远红透半边天？
8、The invention relates to a negative-pressure infusion method and a negative-pressure infusion device for a cut flower preservation pipe.───本发明涉及一种切花保鲜管负压式灌注方法及其装置。
9、Furthermore, some senators and representatives would become "born again" constitutionalists out of a sense of self-preservation.───此外，一些参议员和众议员为了自保将会“重生”为XianZheng主义者。
1、The speediest succour might avail to the preservation of his life.