The cello is a member of the violin family.大提琴是提琴家族的一员.She plays the cello in an orchestra.她在管弦乐队中演奏大提琴.His cello technique is unique.他的大提琴(演奏)技巧是独一无二的....
The plot unfolds at a plodding pace.情节缓慢展开。I did get a bit cheesed off with the movie's rather plodding pace.电影的节奏相当缓慢，确实让我有点不耐烦。He's plodding away day and night.他一天到晚在勤苦工作....
The impellers are kept in their proper relationship to each other by spur gear.液轮之间借助于正齿轮保持彼此正常的关系.Mainly by the impellers, pump body and pump cover composition.主要由叶轮 、 泵体和泵盖组成.Welding is one of the important technologie...