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v.保留（retain的ing形式）
adj.留住的；定位的；使固定的
1、reobtaining───重新获取
2、retailing───n.零售业；v.零售（retail的ing形式）
3、pretraining───n.预训练
4、retraining───n.再训练；v.再训练，再接受培训；教授新技术（retrain的现在分词形式）
5、regaining───vt.恢复；重新获得；收回；vi.上涨；n.收复；取回
6、detaining───vt.拘留；留住；耽搁
7、reattaining───再固定；
8、remaining───v.仍然是；剩余；仍需去做；逗留（remain的现在分词）；adj.剩下的，剩余的；还需处理的
9、restraining───v.抑制；限制；克制（情感）；剥夺……的行动自由；（安全带）缚住（restrain的现在分词）
1、After the bottom cover of the phone is removed, a small battery retaining bracket can be popped out of its socket.───取出手机的下盖之后，可以从里面取出一个很小的电池固定支架。
2、The computation method of water and earth pressures on retaining wall is closely related with that of earth pressure.───挡墙上作用的水-土压力计算方法与土压力计算方法有着密切的关系。
3、The List To Group projection can only be used for lists, and it turns the list into a group by retaining only the first item of the list.───ListToGroup映射仅可用于列表，它通过仅保留列表的第一个项目将列表转化成一个组。
4、Speakers of these cultures often read oral presentations from carefully retaining manual scripts.───这些文化背景下的演讲者通常选择在做口头报告时读他们事先精心准备好的手写稿。
5、The conditions for acquiring and retaining a thick nitrogen atmosphere are now readily understood.───现在很容易了解获得和保持厚氮大气的条件。
6、islands separated, the isolated lizard populations would have become distinct species while also retaining their ancestors' niche adaptations.───岛屿分离后，孤立的蜥蜴种群将成为独特的物种，同时也保留了它们祖先的生态适应能力。
7、Retaining older staff has also been a challenge for companies trying to avert a labor crunch.───留住老职员对试图避免劳动力危机的公司来说也是个挑战。
8、The upshot was that the fat-retaining livers were rich in a variety of proteins known to help the body digest and store food.───结论是保留油脂的肝脏都富含一种能帮助身体消化和储存食物的蛋白质。
9、The whole race seems to be wearing make-up and smooth as a sex, while retaining its animal vivacity and its restrained violence.───整个民族似乎涂敷化妆品，婉约如女性，却又保留动物的活力跟抑制的暴力。
1、They built a retaining wall around the pond.