The Niagara Falls is one of the natural wonders of the world.尼亚加拉瀑布是世界天然奇景之一.Niagara Falls is one of the greatest marvel in the world.尼亚加拉瀑布是世界大奇景之一.Niagara falls is a noble sight.尼亚加拉瀑布是一壮观的景色....
方法是用浸透丙酮的布块在涂层上面擦拭, 若固化不良,涂层会被溶解.Acetone is impregnated fabric coating, above, to curing coatings will be dissolved.或者用含丙酮的网垫擦洗光学表面.Scrub each optical surface with a gauze pad soaked in acetone.钢瓶内填充着充满了浸透了溶剂, 通常是丙酮的多孔渗水...
他给我们讲幽灵骑士的传说.He told us the legend of the ghostly horseman.雷迪先生被教皇授予“圣格列高利骑士”的荣誉称号。Mr Reddy has been honoured by the Pope by being made a knight of St Gregory.这使他很不好受, 心里隐隐引起一阵倾慕和骑士的热肠.It troubled him, arousing vague fee...