她于四年前开始这项研究，加州大学戴维斯分校的一名科学家担任她的实验室导师。
She began her research four years ago. A scientist at the University of California, Davis, taught her how to design and do experimental work in the laboratory.
她于四年前开始这项研究，加州大学戴维斯分校的一名科学家担任她的实验室导师。
She began her research four years ago. A scientist at the University of California, Davis, taught her how to design and do experimental work in the laboratory.
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