问题描述：
They are so small it would be possible ...怎么翻?
They are so small it would be possible to place 40,000 yeast cells side by side in a line equal to the diameter of a 20 cent piece.
They are so small it would be possible to place 40,000 yeast cells side by side in a line equal to the diameter of a 20 cent piece.
问题解答：
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