The nucleophiles include alkene, alkyne, alcohol, acid, amine, water, etc.亲核试剂包括烯烃 、 炔烃 、 醇 、 酸 、 胺 、 水等.The hydrocarbon must be an alkene.这个碳氢化合物必定是烯烃.A hydrocarbon was known to be either an alkene or alkane.某碳氢化合物已知可能是...
A hydrocarbon was known to be either an alkene or alkane.某碳氢化合物已知可能是烯烃或是烷烃.The hydrocarbon must be an alkene.这个碳氢化合物必定是烯烃.The betaine will collapse to the alkene only when these two functions are eclipsed.只有当这两个基团移至重迭位置时...
Don't work in a rush and get into a muddle.克服忙乱现象.We muddle along from day to day.我们一天天地混日子.The best we can do is try to stay cool and muddle through.我们能做的顶多就是设法保持冷静，蒙混过关。My thoughts are all in a muddle...我的思维陷入一片混乱...