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，...
The dryers can be automated.干燥机可以自动化作业.Men also have hair dryers and, if they suffer from baldness, they use a growth stimulator, buy hairpieces, or have hair transplanted from the hirsute part of the scalp to the bare a...
The tourniquet should occlude venous and lymphatic return.止血带应阻断静脉及淋巴回流.All air is expressed from the sphygmomanometer or pneumatic tourniquet before application.应在止血带或血压计使用前压出所有剩余气体.Twist the tourniquet tighter.把止血带扎紧点....