黄油、人造黄油和多脂鱼都含有丰富的维生素D。Butter, margarine, and oily fish are all good sources of vitamin D.作为食品配给制的一种遗留影响，他们总把黄油和人造黄油混在一起吃。As a hangover from rationing, they mixed butter and margarine.向日葵所制人造黄油的脂肪含量与黄油脂肪含量相同。Sunflower mar...
Cellulase An enzyme that hydrolyzes 1, 4 - glycosidic linkages in cellulose, yielding cellobiose ( a disaccharide ) and glucose.一种能够水解纤维素中1, 4-糖苷键, 生成纤维二糖 ( 一种二糖 ) 和葡萄糖的酶.Only the thermosetting resins provide a strong co...