Before leaving I attended the 47 th commencement of Cornell on June 16, 1914.离校之前,我还在1914年6月16日参加了康乃尔的第47届毕业典礼.Applications with a full curriculum vitae and two references should reach the Principal by June 12th.申请书连同完整个...
Taking p chlorotoluene as raw material , 2,4 Dichlorotoluene was synthesized via catalytic chlorination process.以对氯甲苯为原料, 经催化氯化制取2,4二氯甲苯.In the reaction of chlorination, carbon tetrachloride was used agent, and chlorine ...
After that, through the rifts in the inky clouds sparkled redder and yet more luminous particles.然后在几条墨蓝色云霞的隙缝里闪出几个更红更亮的小片....the inky black of night.漆黑的夜晚the inky blackness of the cellar地窖里的一片漆黑The moon was rising in th...