2.Xanthoxylin was extracted from Zanthoxylum Bungeanum Maxim of Sichuan Hanyuan using absolute ethyl alcohol, ether, acetone and water as solvent.
采用无水乙醇、乙醚、丙酮及水作溶剂,对四川汉源花椒作了精油提取研究。
3.My wise saws gave little comfort to the losing team. Amotto is a maxim that expresses the aims, character, or guiding principles of a person, a group, or an institution:
克西姆重机枪(一种老式机枪) 
工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
、
或机构的目标、特征或指导原则的话： 
