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来源：雅诚德英语网
You've got to find out what's in those pigments, learn their composition, and that requires lab work—detective work really—in a word, Spectroscopy.
你必须找出那些颜料里有什么，了解它们的组成，这需要实验室的工作——真正的探测性工作——也就是光谱学。
You've got to find out what's in those pigments, learn their composition, and that requires lab work—detective work really—in a word, Spectroscopy.
你必须找出那些颜料里有什么，了解它们的组成，这需要实验室的工作——真正的探测性工作——也就是光谱学。