英语词汇“natural substance”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	natural substance
释义	natural substance 基本例句天然产物 Betulin and betulinic acid are remarkable natural products.白桦脂醇和白桦脂酸是非常有价值的天然产物。 It is difficult to set down an exact formula because cork is a natural product.要确定脱模剂的精确配方是困难的，因为软木是一种天然产物。
随便看	critical edge critical edge pressure critical edition critical education critical educational school critical educational studies critical effect critical effective crack length critical elastic energy critical elasticty critical election critical electric field critical electrode critical electrolyte concentration critical electron number density critical element critical erosion slope length critical error critical error angle Critical error field critical error handler critical elements critical elevation critical elevation of submergence critical elliptic equation