标签：Precursor 相关文章
第三篇 内分泌系统 Section 3 Endocrine System amine precursor uptake and decarboxylation cell 摄取胺前体脱羧细胞 diffuse neuroendocrine system 弥散神经内分泌系统 endocrine gland 内分泌腺 endocrine system 内分泌系统 hormone 激素 hypophysis 垂体 ovary
医学英语
AS IT IS 2015-04-30 UN: Little Progress in Fighting Asian Drug Trade 联合国表示在打击亚洲毒品交易方面进展不大 Trafficking of synthetic, or man-made, drugs is growing across much of Southeast Asia. United Nations officials say the
2015年VOA慢速英语(四)月
Callum: Hello and welcome to 6 Minute English, I'm Callum Robertson and with me todayis Kate, hello Kate. Kate: Hello Callum. Callum: Today we're going 'down under' - Kate, where's that, where's 'down under'? Kate: 'Down under' means Australia. Callu
六分钟英语
By the mid-nineteenth century, the term
新东方背诵文选
If the world continues on a business-as-usual path, the Intergovernmental Panel on Climate Change predicts that there is a fifty-fifty chance the temperature will exceed 5 degrees by the end of this century. This increase may not sound like much, but
TED演讲教育篇
The melting rock is forcing its way out. In fact, its effects are felt years before. The city lives through something which today would be seen as a terrible warning. This is evidence of a major disaster, an earthquake that hit the city in 62 A. D.,
自然百科2015年
Situated in the High Street, Magdalen Great Tower is a bell tower in Oxford. 位于高街的莫德林高塔是牛津城的一座钟塔。 Started to be built in 1492，it is one of the oldest parts of Magdalen College, the university of Oxford. 它始建
走进牛津大学
ical - in a local area. e.g application of medication to the affected part only. Trabecula-bone -a description of the radiographic appearance of spongy bone. Radiographs provide an unusual opportunity
医务英语
In a new study, researchers find that sleep deprivation can cause noticeable changes in the heart. 在一项新的研究中，研究人员发现，睡眠不足可导致心脏发生明显的变化。 In the new study, presented at the annual meeting o
实用英语
This month, the U.S. government donated to the Government of Mexico security forces nearly $900,000 of specialized personal protective equipment, including coveralls, gloves and masks that will help Mexico to safely dismantle and destroy clandestine
VOA标准英语2017年(三月)
Germanys obstinate chancellor 固执的德国总理 Angela Merkel, swimming instructor 游泳教练安吉拉默克尔 When it comes to the euro, the German chancellor prefers self-help to helpbut she can be more flexible than she seems 德国总理在欧
经济学人财经系列
Said Business School--the business school of the University of Oxford, is the university centre to learn business, management and finance for both undergraduates and graduates. 牛津大学的商学院赛德商学院，是该校本科生和硕士生的
走进牛津大学
By Scott Stearns President Bush says the international community must stand united in its opposition to Iran enriching uranium, which the United States believes is part of a secret plan to develop nuc
VOA2004（下）--新闻盘点
Laboratory rats who breathed Beijings highly polluted air gained weight and experienced cardio-respiratory and metabolic dysfunctions after three to eight weeks of exposure. 实验鼠吸入北京严重污染的空气3-8周后，体重增加，心肺和
阅读空间
1. We've been going out for quite some time now. This is said as aprecursorto something else.It can be a good warm up sentence to tell your partner that you're madly in love with them.
实用英语
By Larry London Washington 16 April 2007 Watch video report of The Who The Who They were punk rock before punk was rock. They were art rock, before rock became art. The Who wrote the anthems of a generation's rebellion against authority and conformi
2007年VOA标准英语（四月）
Probably you would have swarms of earthquakes and some surface uplift and 很可能是一系列地震，有的地面会隆起， possibly some changes in the patterns of behavior of the geysers and steam vents, but nobody really knows. 间歇泉和喷气
万物简史
冰箱的由来 直到 19 世纪中期，冰箱这个名词才进入了美国语言，但冰仅仅只是开始影响美国普通市民的饮食。 冰的买卖随着城市的发展而发展。 冰被用在旅馆、酒馆、医院以及被一些有眼光
双语有声阅读