墙上镶嵌的图画都是价值连城的珍品.In the walls were set pictures of inestimable art.地上都有五彩云石镶嵌的怪兽异禽.The floors were laid in fanciful figures wrought in mosaics of many - coloured marbles.你能取出镶嵌的刀并换掉他们 吗 ?Can you take out the blade insert...
另外, 还讨论了苯甲醚类 、 二联苯恶二唑类、联苯胺类与 氮杂 类等新型双恶唑啉配体的合成.Besides, the synthesis of diphenyl ether, diphenyl oxadiazole diphenyl amine and aza - bis ( oxazolines ) is also discussed.以3,3′-二氨基联苯胺为显色剂, 研究了分光光度法测定有机物中的微量元素硒.Using 3,3� ...