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1·After the 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。

2·Speakers of these cultures often read oral presentations from carefully retaining manual scripts.

来自这些文化背景的演讲者，在做口头报告时通常在念他们事先精心准备好的手写稿。

3·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。

4·But inside, special windows cut power bills by blocking solar heat in summer and retaining indoor warmth in winter.

但是在室内，特殊的窗户通过在夏天阻挡太阳的热量和在冬天保持室内温暖来减少电费。

5·What's more, researchers are coming to recognize that dreaming is an essential part of understanding, organizing and retaining what we learn.

此外，研究人员逐渐认识到，梦对于我们理解、组织和记忆我们所学过的东西十分必要。

6·Now, though, a novel type of steel has been developed that resists fractures at much lower temperatures, while retaining its strength and toughness—without the need for expensive additives.

然而现在，一种新型的钢已经被开发出来，它可以在更低的温度下抵抗断裂，同时保持其强度和韧性，而不需要昂贵的添加剂。

7·Hygroscopic: taking up and retaining moisture.

吸湿性：吸收并保留水分。

8·Focused on retaining their most profitable customers.

将精力集中在保留最有利的顾客上。

9·Retaining an Object During a Configuration Change

在配置改变期间维持一个对象

10·Retaining good people has become a priority for employers.

留住优秀员工已经成为雇主的优先事项。

(1)retaining wall挡土墙，拥壁；护岸

(1)water retaining含水的

(1)retaining ring扣环；扣套；定位环

(1)gravity retaining wall重力式挡土墙，重力式坝

(1)heat retaining保温的