To understand the antagonism of Clostridium butyric and Bifidobacterium infants to v.了解酪酸梭菌和婴儿型双歧杆菌单独及混合培养时对霍乱弧菌的拮抗作用.Lactic acid, acetic acid and butyric acid coexisted in sour brewing products.酸味酿造产品中乳酸 、 醋酸、丁酸共存,但比例不同...
Berg tilts his head and a mischievous look crosses his face...伯格侧着头，脸上掠过一丝调皮的神情。Economists worry that this may be only the tip of the icecream - berg: inflation seems to resurgent.经济学家担心,这种现象也许只是“冰淇淋山”的一角: 通货膨胀似乎即将卷土重来.A...
一犯错误可能当天就会被开除。People who make mistakes can be given the sack the same day.他近来老犯错误，胆子也开始变小了。Lately he'd been making mistakes; his nerve was beginning to go.你会因自己的谎言而犯错误。Your own lies will trip you up....