The radius of a circle is 4cm, how many square centimeters is its area?
一个圆的半径是4厘米，它的面积是多少平方厘米？
"The structures we've made are square centimeters in size," he explains.
“我们已经制造的结构只是平方厘米(square centimeter)级的，”他解释说。
In about 50 square centimeters of area and distribution has 1700 of these units.
在大约50平方厘米的面积上便分布有1，700个这样的单元。
We're now scaling up to make cells that will be hundreds of square centimeters-the size of a normal cell.
我们现在正在增加它们的尺寸以使它们达到几百平方厘米——这是正常电池的尺寸大小。
Thangka paintings vary in size, ranging from a little over a few square centimeters to several square meters.
唐卡画作大小不一，从几平方公分多到几平方米大。
The pork is cut to around 16 square centimeters in dimensions, consisting of half fat and half lean meat.
猪肉一般是五花肉，切成16平方厘米的方块烹饪。
People in many countries use kilograms, centimeters, square meters, liters, and Celsius. These are all ways to measure things.
许多国家的人使用公斤、厘米、平方米、升和摄氏。这些都是测量事物的方法。
For example, the source object may be 6-centimeters square, but it must be dropped on a target that is 1-centimeter square.
例如，源对象也许有6平方厘米，但它必须拖放到只有一平方厘米的目标对象上。
For example, the source object may be 6-centimeters square, but it must be dropped on a target that is 1-centimeter square.
例如，源对象也许有6平方厘米，但它必须拖放到只有一平方厘米的目标对象上。
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