全部

1·Average life span in the wild: 70 years.

在野生环境中的平均寿命：70年。

2·Average life span in the wild: 45 to 50 years.

野生时的平均寿命：45 ~ 50年。

3·What's the average life span of a Chinese male?

中国男性的平均寿命是多少呢？

4·These advances helped increase the average life span.

社会的这些进步都有助于提高人类的平均年龄。

5·The average life span for the nominee group was just over 76 years.

提名者那一组人的平均寿命略高于76岁。

6·The average life span for the nominee group was just over 76 years.

提名者小组的平均寿命略高于76岁。

7·Compare this with an average life span of 52 in 1960, or of about 30 in 1900.

把这个数字与1960年的平均寿命52岁相比，又或者与1900年的人均30岁寿命相比。

8·There are five different types of these, and their average life span is only a few days.

白细胞有五种不同的类型，平均寿命只有几天。

9·The tiny European nation of San Marino boasts the longest average life span for men, with 81 years.

欧洲小国圣马力诺则成为男性平均寿命最长的国家，为81岁。

10·The average life span of a person with sickle cell disease is just 42 years for men and 48 years for women.

男性镰状贫血病患者的平均寿命仅为42岁，女性仅为48岁。