He excused himself and went up to his room.他告辞后回到他楼上的房间。I excused myself and ran back to the telephone.我说了声抱歉，跑回到电话机旁。As soon as he'd finished eating, he excused himself.他一吃完就告辞离开了。...
They marched along shoulder to shoulder.他们肩并肩地前进.They were standing shoulder to shoulder.他们肩并着肩站着.They fell into step, walking shoulder to shoulder with their heads bent against the rain.他们开始迈着一致的步伐并肩而行，低着头躲避雨水。...
I'm dreading Christmas this year.今年我非常害怕过圣诞节。This was the moment he had been dreading.这是他一直最担心的时刻。This was exactly the emergency she had been dreading for weeks.这正是几星期以来她一直在担心的紧急关头啊!...
简单地投入, SIP为朴素牺牲完整性, 灵活性和延伸性.Simply put, SIP sacrifices completeness for simplicity, flexibility and extensibility.聚碳酸酯是一种分子结构的线形聚合物,具有优良的电绝缘性、延伸性 、 稳定性.Polycarbonate is a kind of polymer, whose structural formula is line...