单词	Bertrand lens
释义	Bertrand lens noun : an auxiliary removable lens in the tube of a polarizing microscope used to obtain interference figures Word History Etymology probably after Joseph L. F. Bertrand
随便看	Curculionidae curculionidaes curculios curcuma curcuma paper curcuma starch curcumae curcumas curcumata curcumin Curcumin S curd curd cheese curd knife curd mill curd soap curded curdier curdiest curding curdle curdled curdlers curdles curdling

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