We tried to grow some copper sulphate crystals with our children.我们想跟孩子们一起制作硫酸铜晶体。Adding sulphate to the solution will give a precipitate.将硫酸盐加入该溶液会产生沉淀.More ammonium sulphate solution is being recovered in the process o...
...a light, lofty apartment in the suburbs of Salzburg...位于萨尔茨堡市郊的一间采光好、屋顶高的公寓The lofty walls of the castle seemed impregnable.这座城堡的高墙似乎坚不可摧。Young people should have lofty ideals and aims.年轻人应该有崇高的理想和目标。...a vast, lofty ...
木材被制成精细的家具.The wood is manufactured into fine cabinetwork.精细的亚麻织品和棉织品像羊毛一样闻名遐迩.Fine linen and cotton fabrics were known as well as wool.做这样精细的工作,手要稳、眼要准.Such fine work requires a steady hand and a steady eye....