保存得太久的食品会变坏,是因为受到酵母菌, 霉菌和细菌的侵袭.Food which is kept too long decays because it is attacked by yeasts, molds and bacteria.防止啤酒变坏的主要方法是用纯酵母菌株发酵.The principal methods of avoiding spoilage are the use of pure yeast strains as ...
He got up to strut his stuff on the dance-floor.他起身到舞池里炫耀自己的舞技。This strut braces the beam.这根柱子支撑房梁.Now we'll strut arm and arm.这会儿咱们可以手挽着手儿,高视阔步地走了....
The scientists identified a protean protein that inactivates the flu virus before it can mutate.科学家发现一种蛋白可以在流感病毒变异前使其失去活性.The leukemoid reaction was identified by alkaline phosphatase staining.碱性磷酸酶染色区分类白血病反应.Conclusion:...
Poison from the weaver fish causes paralysis, swelling, and nausea.龙的毒素会引起瘫痪、肿胀和恶心。One patient suffered headaches, nausea, and faintness.一位病人感觉头疼、恶心、晕眩。Nausea surged in him and he retched violently.他突然觉得恶心，猛烈地干呕起来。...