采用高效液相色谱方法测定盐酸麻黄碱的含量.The content of ephedrine hydrochloride was determined by HPLC.采用旋光法测定盐酸麻黄碱含量.Optical rotation was used to determine the content of ephedrine hydrochloride.目的开发一种含有氯雷他定和麻黄碱的复方鼻腔给药新制剂.Aim To prepare a ...
He is still smarting over criticism of his victorious but clumsy performance.他还在为别人批评他尽管最终胜出但表现笨拙感到闷闷不乐。It was a clumsy looking aeroplane.那架飞机样子很难看。The lyrics are banal and the rhymes clumsy.歌词平淡老套，押韵生硬蹩脚。...
Serve the cake warm or at room temperature, cut in squares.等蛋糕温热或凉至室温时切成四方块端上桌。In the city squares the neon lights flashed in turn.在城市广场上，霓虹灯依次闪烁。The town centre is thick with churches and cafe-lined squares.市中心随处都是教堂和被咖...
The dragoon officers and Foker clapped their hands furiously.龙骑兵军官和福克发疯似地鼓掌.I clapped to attract the children's attention.我拍手以引起孩子们的注意。The men danced and the women clapped...男人们跳舞，女人们拍手。When the new tax laws were pa...