I've been nearly demented with worry about you.我一直为你担心，都快发疯了。At what point does it become necessary to place a demented person in a nursing home?到了什么时候算是有必要把早老性痴呆病人送到养老院去？Sid broke into demented laughter.锡德狂笑起来。He h...
However , contamination of coliform group might occur during beer brewing.啤酒生产过程中可能会污染大肠菌群.Lactose fermentation is used to verify the existence of coliform bacteria in national criteria.大肠菌群的国标检验法采用乳糖发酵法.Indeed, half of ...
人类仍有尾巴退化的痕迹.A human being has the vestige of a tail.杂质和污染对退化的作用不能忽视.The role of dopants and contaminants in degradation cannot be ignored.虚圆点实际上是一退化的二次曲线.The circular points are really a degenerate conic....