做完急性阑尾炎手术后,他正在医院康复。He is recovering in hospital after an operation for acute appendicitis.他得了阑尾炎.He came down with appendicitis.急性阑尾炎的发生通常与饮食无关.Acute appendicitis usually develops without relation to the ingestion of foo...
Through nitrosation , hydrogenate reducion, and acylate three steps, the yield surpass 80 % for the diethyl malonate.收率相对于丙二酸二乙酯达到了80%以上.The necessary material of 2 - ( 2 - methoethyl ) acetaldehyde diethyl acetal was sy...
It was a marvel that the floor never gave way.惊奇的是地板居然从未塌陷。She's marvel to be able to shoot with such accuracy.她的枪法那么好,真不简单.Niagara Falls is one of the greatest marvel in the world.尼亚加拉瀑布是世界大奇景之一....