In 1927, at Chou - k'ou - tien, near Peking, a hominid lower molar of unusual pattern was discovered.1927年, 在北京附近的周口店发现一颗形状异常的人类下臼齿.Hominid their children, not to worry maid abuse, neglect of school discipline.原始人自己...
所有的锡器都擦光了, 桌子都刷得雪白.All the tins were scoured, and the tables scrubbed snowy white.把它磨平擦光就得四五年工夫.It takes about four or five years to grind and polish it.把该切片的表面用沙纸擦光.The surface of the slice is smoothed by sanding....