Cepheid variable stars are stars whose brightness changes at regular periods.造父变星是一种光线按规律周期发生变化的恒星.His first great discovery was made when he recognized a Cepheid variable star.他的首次重大发现产生于他认识了一颗造父变星的时候....
...the whole sweep of German social and political history.德国社会政治的完整历史The history of anthrax is intimately associated with the history of bacteriology and infectious disease.炭疽病的历史与细菌学和传染病学的历史是密切相关的....an Oxford Blue who ...
滴定曲线的斜率处于最低值.The slope of titration curve is at a minimum.因此我们能够清楚地区别出斜率明显不同的表面.Therefore, surfaces that differ significantly in slope can be clearly distinguished.流速由斜率模拟.Rates of flow are represented by the slopes....
He's going to be the MD of the Park Lane company.他即将出任柏宁公司的总经理。Where's the MD's office?总经理办公室在哪儿？Her row with the MD probably hastened her departure.她与总裁的争吵很可能加速了她的离去....
这扇门由于季节和海洋作用造成的变形已经出现了些许裂缝。The door, warped by seasons and sea-changes, split slightly.单词mat中较短的 [ A ] 和 单词 mad中较长的A是音素的变形.The relatively short [ A ] of mat and the relatively long [ A ] of mad are allophones.他在她胸肢带骨的变形周...