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A Sadza Making Machine - the Gwatamatic, Part Two
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Scientists busily mix different chemicals to test the blood. They heat chemicals, and they cool them. William said, ‘It is just like being in a cooking room - a kitchen!’
Later, William went to ano...
科学家们忙于混合不同的化学物质来检测血液。
他们加热化学品,然后冷却它们。
William 说,这就像在烹饪室 - 厨房里一样!后来,William 去了另一个血液检测实验室。
但这是一个公共卫生实验室。
而且这个系统的运作方式也大不相同。...
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