MEI Shi - long , 1991 . Middle and Late Cambrian conodont and trilobite biostratigraphy in Wanxian, Hebei . Unpublished Ph. D thesis of Peking University.武桂春, 2003. 鲁西地区晚寒武世牙形石. 北京大学博士研究生学位论文....an unpublished PhD thesis...
Antacids are alkaline and they relieve pain by neutralizing acid in the contents of the stomach.抗酸剂是碱性的，通过中和胃容物中的酸来减轻疼痛。Too much reliance is placed on antacids.人们过分依赖抗酸剂.Aluminum - containing antacids bind phosphate, mak...
对牛奶过敏的人可能对奶酪也有不良反应。Someone allergic to milk is likely to react to cheese.对腰果过敏的人吃了这些坚果后身上可能会出疹子。A person who is allergic to cashews may break out in a rash when he consumes these nuts.鸡蛋过敏的病人应避免用鸡蛋培育的疫苗.Egg - grown vacci...