It will be more susceptible to attack by hydroxyl ion.它更容易被羟基离子所作用.Both the free hydroxyl groups readily undergo esterification.两个自由羟基,都容易酯化.The free hydroxyl ion is involved in a further reaction with the silica network...
这正是洞穴探险者害怕的那种洪水。This is the type of flood dreaded by cavers.她竭力装出不害怕的样子.She struggled to maintain the charade of not being afraid.你会发现我不是轻易就会害怕的.You'll find that I don't frighten easily....
resembling frostbite but without freezing像冻伤又没有冻The survivors suffered from frostbite.生还者身上有冻伤。She is suffering from frostbite on her ears.她的耳朵生了冻疮.Objective : To evaluate the effect of Marvelous Frostbite Curing Liquid ...