Prices are inching up.物价在缓慢地上涨Prices are inching down.物价在缓慢下降.The helicopter hovered over the crowd for a while before inching away.直升机在人群上空盘旋了一会儿后慢慢飞走了....
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...