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...
When he let go the head lolled sideways...他一放手,脑袋便垂向一侧。They lolled and lolloped about.他们懒散地闲荡着.He lolled back in his chair by the fire.他懒洋洋地靠着椅背坐在炉火边。He lolled back in his comfortable chair.他懒洋洋地靠在舒适的椅子上。When he let go t...
His eyebrows were blonder than they had been last week.他的眉毛比上星期更黄了.Taper the shape of your eyebrows towards the outer corners.把你的眉毛修剪成越往外眼角越细的月牙形。She raised her eyebrows in reproof.她竖起眉毛,满含责备。He raised his eyebrows over ...