Each square centimeter of skin alone harbors about 100,000 bacteria.

在皮肤每平方厘米的面积上都生存着约10万个细菌。

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Each titanium wall measures nearly a square meter (nearly 9 square feet) in area, about 1 centimeter (a third of an inch) in thickness, and 18 kilograms (40 pounds) in mass.

每个钛合金辐射屏蔽装置面积大约有一平方米，厚度为一厘米，18公斤重。

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As with every float, each square centimeter of space must be covered with flowers or other organic material, including moss,seeds, bark and plant fiber.

VOA: standard.2009.12.30