Polyacrylonitrile is insoluble in acrylonitrile.聚丙烯腈不溶于丙烯腈.Water, acrylonitrile and the galactomannan gum are added to a reactor with an alkali metal hydroxide.水 、 丙烯晴和半乳甘露聚糖胶,同碱金属氢氧化物在一起,加入到反应器中.Objective: To observe th...
他的最大爱好就是雕镌印章.His favors carving seals the most.镌于命运之上被诅咒的一切.All that engraved on the fate with curse.那枚硬币镌有林肯的肖像.The coin bears an effigy of lincoln....
I dozed off during the soporific music.我听到这催人入睡的音乐,便不知不觉打起盹儿来了.They certainly had soporific effect upon the Flopsy Bunnies!它们确实对佛洛普西家的小兔们有很强的催眠效果.The warmth of the room and the monotony of the speaker's voice grew s...
Eyewitnesses spoke of rocks and shards of glass flying in the air.目击者称空中石块和玻璃碎片四溅。Ward, Josh Billings , and a host of others have survived only in scattered shards of humour.沃德 、 比林斯和许多别的作家能够留传下来的只是些幽默的残章断简.How would you...