约翰逊的亲和力和他老板易怒的性格形成了鲜明的对比。Johnson's easy charm contrasted sharply with the prickliness of his boss.与花哨的打扮形成鲜明对比的是这件小黑裙子。The little black dress is the anithesis of fussy dressing.味道浓烈的上好调味品和香甜的干果形成有趣的对比。A good sharp d...
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...