These thumps are replaced by thrills when valvular insufficiencies or stenoses or congenital defects are present.这些撞击在瓣膜闭锁不全或狭窄,或者有先天性缺损时被震颤所代替.Valvular heart disease, usually aortic and mitral insufficiency, can complic...
他对于法国、德国和荷兰的文学了如指掌。He was well acquainted with the literature of France, Germany and Holland.她的文学批评集中关注的是伟大的文学作品表达思想的方式。Her literary criticism focuses on the way great literature suggests ideas.这本书对于教授文学的老师来说帮助非常大。The bo...
one of the most prolific periods in her career她的创作生涯中成果最丰的时期之一Long dry periods wasted the land.长期干旱使土地荒芜了。...a singer able to sustain a full tone and clear articulation over extremely long periods.可以很长时间保持声音洪亮并且吐字清楚的歌手Th...