用各种稀的无机酸来萃取阴离子.A variety of dilute mineral acids are used to extract the anions.它对氟离子的选择性比其它普通阴离子高几千倍.It'shows a thousandfold selectivity for fluoride over other common anions.通常, 钙素过量是与该元素相联系的阴离子伴随产生的.In general, e...
这些火灾很可能会彻底毁掉这片土地上的森林。The fires are likely to permanently deforest the land.空气中弥漫着火灾产生的刺鼻浓烟。The air is thick with acrid smoke from the fires.大部分住户在火灾发生前就已经离开。Most of the occupants had left before the fire broke out....
The children pursued their studies, undisturbed by the many visitors.孩子们继续学习,不因许多来访者而分心。When pursued, he made his escape with a flash of speed...遭到追赶时，他突然飞速地逃脱了。This search is pursued by Woolf through extremes of exubera...
Despite strong principles he was never censorious.虽然他原则性很强，可从来不会吹毛求疵。His treatment of him is sympathetic rather than readily censorious.他对他的态度是同情而并非一味批评....