The Earth orbits in an ellipse.地球轨道呈椭圆形。The man - made satellite orbits the earth every 48 hours.那颗人造卫星每48小时绕地球轨道运行一周.They knew each other by sight, but their orbits did not touch.他们见面认识, 但各自的生活圈子互不搭界....
The orbits of planets in the once popular geocentric Ptolemaic system are epitrochoids.曾经盛行的托勒密地心说体系里的行星轨道就是外旋轮线.Mars and Earth have orbits which change with time...火星与地球的运行轨道随着时间而变化。Other enumeration problems lead us to...
The children enjoyed watching the hippopotamus wallowing ( about ) in the mud.孩子们真喜观看河马在泥中 打滚.And so what does Hippopotamus wish to close with?河马想说些什么来结束此篇?The children enjoyed watching the hippopotamus wallowing in the ...
a polyglot traveler多语旅行者...a polyglot who speaks four languages.能说四门语言的人He was a round old man with a guttural, polyglot accent.他是一位肥胖的老人,讲话时带有多种语言混合的多喉音的声调.A polyglot bible contains versions in different languages.多语言版本...
Autochthonous or allochthonous, may be important in the total metabolic system of lakes and streams.自源的或他源的在湖泊与河流的总代谢系统中都可能是重要的.Erectile dysfunction, metabolic risk factors and cardiovascular disease - What is the link?代...
发动机发出了一种新的声音, 仿佛一阵阵吃力的哮喘.A new noise came from the engines a straining, gasping sound.我离那头麋鹿非常近，能听见它吃力的呼吸声。I was close enough to the elk to hear its labored breathing.清除积雪是很吃力的工作.It's hard work shifting snow....
他咒骂那个把汤溅在他身上的男侍者.He cursed the waiter who had spilled soup on him.圣诞节酒吧男侍者免费给老顾客酒喝.The barman gave free drinks to the regulars at Christmas.耶诞节酒吧男侍者免费给老顾客酒喝.The barman give free drinks to the regular at Christmas....
Serum NSE was measured by solid phase ethanol immunoadsorption and serum IL - 6, by double antibody ELISA.以固相醇联免疫吸附法(SPEIA)测定血清NSE水平,以双抗体夹心ELISA法测定血清IL - 6水平.This fact shows that MTBE and ethanol retard the oxidation of ...