The valence atom of an alkali - metal atom has two states.碱金属原子的价原子具有两种能态.Such detergents do not yellow the wool as alkali tends to do.这种洗涤剂不会象碱那样使羊毛发黄.All the alkali metals have a single s - electron outside a closed sh...
alkali sensitive碱灵敏的; 碱敏感的The alkali halides can be grown into large crystals of excellent transparency.硷金属卤化物能生长成具有优良透明性的大晶体.available alkali有效碱Outstanding alkali resistance, can be used in post - mercerized cotton soli...
The Bresciani , which had ravaged many other producer's markets, were finally tamed by Davignon.曾经抢夺了别的生产商的许多市场的布莱厦龙尼公司最近也被戴维侬所驯服.Her marriage to film producer Michael Greenburg fell apart.她和电影制片人迈克尔·格林伯格的婚姻破裂了。Her ...
Indices of employment , payrolls, and production steadied in February 1931.1931年2月,就业 、 工资额和生产指数稳定.Wall Street responded to the payrolls figures with gusto.华尔街对就业数据作出了积极的反应.For investors seeking signs an upswing, payroll...
他用右手抓住了一块凸起的岩石。He grabbed at a protrusion of rock with his right hand.裂缝、凸起、剥落的勾缝和湿斑都意味着存在问题。Cracks, bulges, crumbling pointing and damp patches mean trouble.海伦的双手枯瘦，青筋凸起。Helen's hands were thin and veined....