树胶醛醣;阿戊糖一种结晶的戊醣, c5h10o5, 从植物的多醣类中得到,如树胶及半纤维素. A crystalline pentose sugar, C 5 H 10 O 5 , obtained from plant polysaccharides such as gums and hemicelluloses.
a layer of gritty dust一层沙尘Let's get down to the nitty - gritty . Who's going to pay for the renovations ？咱们来说点实际的吧, 谁来付维修费?The sand blew into the food and made it gritty.砂吹进食物中,里边尽是砂子....
About 75 % ~95 % of cerebellopontine angle tumors are acoustic neuromas.听神经瘤约占小脑桥脑角肿瘤的75%~95%.Osteoma should be included in the differential diagnosis of calcified masses in cerebellopontine angle.在小脑桥脑角之钙化肿块,骨瘤必须列入?别诊断....
While the lads are golfing, I work out in the gym.小伙子们打高尔夫球的时候，我在健身房锻炼。He was wearing a cream silk shirt and a tartan golfing cap.他身着一件米色丝绸衬衫，头戴一顶花格子高尔夫球帽。You can play tennis or go golfing.你可以打网球或高尔夫球。...
But we must not think of Chekhov as a leftist, much less a revolutionary.但是我们绝不应把契科夫看成是个左派人物，他更不是革命者。Full of militancy and revolutionary ardour, the people of all nationalities in the country are working hard for the rea...