It is, however, necessary on occasion to work outwith these hours.然而，有时候在这些时点之外也需要工作。He treated them seriously and, on occasion, entertained them hilariously.他对待他们严肃认真，偶尔又逗得他们捧腹不已。Nobody is perfect, and everyone acts tho...
The game was marred by the behaviour of drunken fans.喝醉了的球迷行为不轨，把比赛给搅了。Bad diction marred the effectiveness of his speech.措词不当影响了他演说的效果.The noise marred the peace of night.吵闹声破坏了夜的宁静....
Nowadays astrophysics and astronomy have come to mean almost the same thing.今天,天体物理学和天文学的含义已经变得差不多一样了.The introduction emphasized the thoroughly evolutionary nature of modern astrophysics.在绪论中业已强调,现代天体物理学是彻底的承认演化的科学.We a...