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。
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。
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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