Such is the case in pyrrole, thiophene, and furan.吡咯, 噻酚和呋喃的情况就是这样.It'shows that the key step is the synthesis of 4 - methyl - dihydro - furan - 2 , 3 - dione.研究结果表明关键步骤为原料 4- 甲基 -2, 3- 呋喃二酮的合成.A novel furan resin w...
囊性纤维化是最常见的致命遗传疾病。Cystic fibrosis is the commonest fatal here-ditary disease.肺纤维化怎么治疗是最好最快的方法?Is lobar fiber changed how is cure best the swiftest method?现结合有关文献对特发性肺纤维化的诊断和相关研究作一综述.The literature about diagnosis and corr...
Who is the chairman of the House of Representative?谁是众议院的主持人?The member of the house of representative ( call congressmen ) is elected for two years.众广义院议员 ( 又称国会议员 ) 选出后任期两年.The members of the House of Representative ( ...
主人坚持要让“酷地”参加金杯赛马会。The owner insisted on Cool Ground running in the Gold Cup.他并不认为自己的新工作是金杯毒酒。He does not regard his new job as a poisoned chalice.这个队又重捧金杯.The team has won back the trophy....