鲍勃死于由他的生活方式引起的心脏病突发。Bob died of a heart attack, brought on by his lifestyle.她患上严重的心脏病后安装了心脏起搏器。She was fitted with a pacemaker after suffering serious heart trouble.约翰17岁时死于先天性心脏病。When John was 17, he died of congenital ...
A thick haze of acrid smoke hung in the air.空气中弥漫着刺鼻的浓烟。He threw the baby high in the air and it stopped crying.他把孩子向空中高高抛起，孩子就停止了哭闹。There was a bite in the air, a smell perhaps of snow.空气非常寒冷，似乎有雪的味道。...
他是一位鸟类学研究者.He is a close student of birds.他发现自己适于专攻鸟类学.He found his vocation in ornithology.用独立的笼子养鸟,有什么鸟类学的原因 吗 ?Is there an ornithological reason for keeping them in separate cages?...
好运就是当机会来临时，你早已做好了准备。Good luck is when an opportunity comes along and you're prepared for it. 斯图尔特现在变得只要和别人意见不合，就准备大吵一架。Stewart has developed a tendency to mix it verbally with the opposition.许多学生并未做好接受高等教育的充分准备。Many...
He took out a sheaf of papers and leafed through them.他拿出一沓报纸，匆匆翻阅了一下。He leafed through the music.他一张张地翻乐谱.I leafed through the catalog and found nothing interesting.我翻了翻目录,没看到什么有趣的东西....
最简单的加载情况是周期地、均匀而重复地施加的载荷.The simplest imposed conditions are those in which the loading is periodically and uniformly repeated.那就是为什么他必须不断重复地确定他对艺术的热爱.That's why he constantly had to reaffirm his love for art.重复地细茵性...
除了疫病外, 许多批评家把异种移植看作是资源的巨大浪费.Plagues aside, many critics see xenotransplantation as a colossal waste of resources.可是, 基本的异种化合物活性看来是由配基所决定的.However, basic allelochemical activity seems to lie with the aglycone.它可以由异种化合物例如生...