例句與造句

1. The shoe will only begin to dissolve when it is put in contact with a high concentration of the digestion enzyme proteinase, which occurs naturally.
2. In 1935, Stewart Baxter showed that the pancreas secretes digestion enzymes simultaneously regardless of whether the food eaten is carbohydrates or protein, contrary to one of the central propositions of the diet.
3. It's difficult to find digestion enzyme in a sentence. 用digestion enzyme造句挺難的