石墨甚至其线性类似物, 聚 ( 名聚-苯撑 ) 都是极难溶解的.Graphite and even its linear counterpart, poly ( p - phenylene ) are too insoluble.正和它们的低分子量的类似物一样,微量的酸或碱常能促进聚合物的水解.Hydrolysis of polymers if often catalyzed by traces of acids or bases.石墨...
Forested areas have been expanding every year, with the increase in standing timber greater than that of felled lumber.森林面积每年都在增加,林木生长量大于消耗量....a thickly forested valley...森林密布的山谷New Brunswick is one of the most forested...
He carries his eighty years well.真看不出他是八十高龄的老人。Weighing in at eighty tons, the B-19 was easily the largest and most sophisticated warplane in the world.B-19重达80吨，无疑是世界上最大、最先进的军用飞机。Eighty horses trotted up.80匹马小跑起来。My mot...
The confining material rises to the surface.覆盖层升高至地表.If things get tough, I do corporate work, though I find that awfully confining.生活发生困难的时候我就做合作项目, 不过我觉得那种工作太束缚人.The number on the curves are the values of the confining...
The home team saw off the challengers by 68 points to 47.主队以68∶7击败前来挑战的客队.We are the challengers.我们是挑战者.That victory put the Ukrainians beyond the reach of their nearest challengers, Dynamo Moscow.本场胜利使乌克兰人甩开了最强有力的对手，莫斯科...