He lost his balance, and pitched out of the window headfirst.他失去平衡, 头朝下从窗子上跌了下去.My mate dived headfirst through a window and I ran down the hallway.我的同伴从窗口一头扎了下去，而我则沿着走廊跑。Dive: To plunge, especially headfirst into water....
Marcus remained placid in the face of her outburst.马库斯面对她的发作保持平静。Seeing Marcus at that moment was a great tonic.在那一刻见到马库斯是非常令人兴奋的事。Marcus kept making insinuating remarks.马库斯一直在说些含沙射影的话。...
不同地区间的经济不平衡economic inequalities between different areas鲍尔曼曾研究过道格拉斯冷杉种子产量地区间的差异.Bolman has studied regional variation in Douglas fir seed yields.置信限是指置信区间的界限.Confidence limits are the upper and lower limits of the confid...