屋子内部被挡住了,以防路人好奇地张望。The interior was shielded from the curious gaze of passersby.他们会透过那扇经受风吹日晒的老木门的缝隙向外张望。They would look out through the cracks of their weather-beaten door.他溜进门里,慌忙地四处张望着。He ducked through the door and l...
Sodium ethylate was used as catalyst in Baker - Venkataraman of cyclization, and all factors were studied.环合反应采用乙醇钠作为Baker-Venkataraman重排反应的催化剂, 研究了影响反应的各个因素....