研究了偕二金属有机试剂3与氯化三烷基锡和碘的非对映选择性反应.The diastereoselective reactions of organogembismetallic reagent 3 with trialkyl tin chloride and iodine were studied....
大西洋洋底在中部形成由北向南的海脊.The floor of the Atlantic ridges in the middle from north to south.一道中海脊是板块之间的边界,在那里新的岩石圈的物质从下部注入.A mid - ocean ridge a boundary between plates where new lithospheric material is injected from below s....
他和其他10名犯人被囚禁在一间狭窄的牢房里。He is cooped up in a cramped cell with 10 other inmates.她被继续囚禁在一所外国的监狱里。She continues to languish in a foreign prison.这次袭击是对处死两个被囚禁的忠诚分子的报复.The attack was in revenge for the deaths of two loyalist p...
It is time, once again, to contend with racism.又一次到了与种族主义战斗的时刻了。Racism causes political instability and violence.种族主义道致政治动荡和暴力事件.The rise of racism concerns Sikhs because they are such a visible minority.种族主义的抬头让锡克教徒很担忧，...
Bob Marley provided them with their first taste of Reggae music.鲍勃·马利让他们首次接触到了雷盖音乐。Their music is a cross of reggae with hip hop.他们的音乐是雷鬼和嘻哈风格的组合.Bob Marley is the most well known singer of reggae music.巴布马利是最知名的雷鬼歌手....
After finishing his speech, he resumed his seat.他发言后重新回到自己的座位上去。Ejector seat levers can only be used once, and their consequences are significant and irreversible.弹射座椅操纵杆只能用一次, 它的使用将引起重要的变化,而且这个过程是不可逆的.Route cable forwar...