将联合加成 - 消除反应的结果称为缩合反应.The combined addition - elimination sequence is referred to as a condensation reaction.与氰氢酸的加成是碱催化的.The addition reaction with hydrogen cyanide is base - catalysed.溴化氢加成的最后一步,是负离子亲核试剂的附加.The additio...
The young man led Mark Ryle along a corridor.那个年轻人领着马克·赖尔沿走廊而去。Ryle explained the reason for his sudden return to London.赖尔解释了他突然返回伦敦的原因。"Good, Mr Ryle," he said in English with a strong French accent.“好的,赖尔先生,”他用带有浓重法国口...
The llama has a lame leg.那只美洲驼有一只腿瘸.A pig and a guard llama also live on the farm.猪和骆驼农场里也有.Betty is trying to spin enough llama yarn to make a sweater.贝蒂想纺出足够的驼毛线来织毛衣....
Without further adventure , they reached the dwelling of Governor Bellingham.之后, 她们便一路平安地来到了贝灵汉总督的住所.The prison governor has refused to let him go, saying he must first be given authority from his own superiors.监狱长拒绝释放他,...