Declaration of Independence的音标:Declaration of Independence的英式发音音标为:[ˌdeklə'reiʃən ɔv ˌɪndi'pendəns]Declaration of Independence的美式发音音标为:[ˌdɛklə'reʃən ʌv ˌɪndɪ'pɛndəns]...
The cerium oxide preferably has a fluorite type superlattice structure.该氧化铈还优选具有萤石类似结构的超晶格结构.A method for direct determination of cerium dioxide content is studied.介绍了一种直接测定氧化铈含量的新方法.Lanthanum praseodymium - cerium rare ...
This evidence supports their contention that the outbreak of violence was prearranged.这一证据证实了他们的观点,即此次突发暴力事件是有预谋的。Conditions were ripe for an outbreak of cholera.霍乱即将暴发。In Peru, a cholera outbreak continues to spread.霍乱在...
硅酮隆胸植入物a silicone breast implant一种叫作吡啶酮的新型抗艾滋病药物能促使艾滋病毒变异,使其不能繁殖,也不会再感染新的细胞。A newer anti-HIV drug called pyridinone caused HIV to mutate into a form which could not reproduce or infect new cells.所有的主要难点都涌现在烯酮 ( 1 ) 的合成中....