1. Everything is the color of gray.
    一切东西都蒙上了一层灰色。

2. Between twelve and eighty years we gradually lose this power;
    在12岁至80岁之间，我们逐渐丧失这种能力。

3. But the spider did not lose hope.
    但是蜘蛛并没有灰心，

4. Because Australia's native people and black Africans share such superficial characteristics as skin color and body shape, they were widely assumed to be closely related.
    因为澳洲土著和非洲黑人之间有一些共同的外表特征，如肤色、体型等，所以普遍认为他们有较近的亲缘关系。

5. The blow caused him to lose consciousness.
    那一击打得他失去了知觉.

6. The color of a person´s hair is often predetermined by that of his parents.
    一个人头发的颜色常是由父母的头发颜色所决定的.

7. They have little time to lose.
    他们必须抓紧时间。

8. The book features more than 500 maps that show areas of genetic similarity — much as places of equal altitude are shown by the same color on other maps.
    此书的一大特点是提供了500多幅图，显示相同的遗传基因所处的区域。这很像其他地图上用同样的颜色表示同样海拔高度的地区。

9. Once the genes for surface features such as skin color and height are discounted, the "races" are remarkably alike under the skin.
    如果不考虑诸如影响肤色、身高等外部特征的基因，不同的"种族"在外表之下令人吃惊地相似。

10. Nations that take such steps will lose balance.
    采取这类措施的国家会失去平衡：