皇家剧院是英国最古老的剧场之一。The Theatre Royal is one of the oldest playhouses in Britain.剧场里顿时泛起一片疑惧。A frisson of appre-hension rippled round the theatre.离演出开始还有五分钟，剧场里已座无虚席。It's five minutes to showtime and the theatre is pack...
The rooster chased me across the dirt floor of the barn.公鸡追着我跑过谷仓的泥土地面。The rooster's crow woke me.公鸡的啼叫声把我吵醒了.The rooster bristled his crest.公鸡竖起了鸡冠....
He wears a cap to cover a spot of baldness.他戴帽以遮斑秃。He was wearing a cream silk shirt and a tartan golfing cap.他身着一件米色丝绸衬衫，头戴一顶花格子高尔夫球帽。He had offered the loan of his small villa at Cap Ferrat.他愿意借出在费拉角的小别墅。...
They were very obliging and offered to wait for us.他们非常热情，主动提出等候我们。He is very obliging. He's sure to help if you ask him.他好说话儿, 求求他准行.He is an extremely pleasant and obliging man.他是个非常友善、古道热肠的人。...
不同的同功酶以不同的亲和力与钙离子相结合.The different isozymes bind calcium ions with different affinities.这归因于组成同功酶的亚单位及结构不同.They are formed by different alleles, and are a valuable tool for detecting genetic variation.采用Northernblot 方法,发...