The researchers who worked on the new elephant count said the animals live throughout Gabon, covering 90 percent of the total surface area.

研究新大象数量的研究人员表示，这种动物生活在加蓬各地，覆盖了总表面积的90%。

Now, the total surface area of alveoli is about 140 square meters or 1,500 square feet.

现在，肺泡的总表面积约为140平方米或1500平方英尺。

A cube measuring one micrometer on each side, that's one millionth of a meter, would have a total surface area of six square micrometers.

一个每边一微米的立方体，即一米的百万分之一，总表面积为六平方微米。

The total surface area for a human set of lungs is about 75 meters squared, which is as big as badminton court, and it's all packed into your chest.

人类肺的总表面积约为 75 平方米，和羽毛球场一样大，都塞进了你的胸膛。

When they looked at the shoot versus the root surface, they found that the shoot surface, with all of its leaves, had a total surface area of about five square meters.

当他们对比观察芽和根表面的时候，他们发现，芽表面包括其所有的叶子，总表面积达约5平方米。