The elephant grinds its food with its powerful molars.象用其强有力的臼齿嚼碎食物。" Finest specimens of human molars, " he informed me.“ 用精选的真人臼齿做的. ” 他告诉我.The elephant grinds its food with / between its powerful molars.象用其强有力的臼齿嚼碎食物....
本系统可使得缫丝岗位计件工资计算完全电算化.能减轻劳动强度,提高工作效率.This system may calculate the piece - rate wage in a filature completely.养蚕、缫丝是我国古代的伟大发明.Sericulture and filature are two great ancient inventions of our country.我已经学会缫丝了.I've al...