单词：three-colour colorimetry
单词：three-colour colorimetry 相关文章
Idled Atom-Smasher Yielding Data Months After Shutdown The Tevatron Accelerator at the U.S. government's Fermi National Laboratory in suburban Chicago once led the world in studying what happens when subatomic particles are thrown together at nearly
VOA标准英语2011年(十二月)
今天我们要学的词是 prop up。 Prop up的原意是指托住、支撑，以免倒塌，引申出来有帮助、鼓励、支持的意思。The US Department of Agriculture has proposed to spend US$4.7 billion to prop up farmers hurt by tariffs,
英语单词荟萃
Look at yourself every once in a while and point out all the things about yourself that you like. Self-esteem that's really the most important thing by actress Stacy Kellen. Overcoming depression is a matter of healing your physical and motional self
感悟人生
The International Atomic Energy Agency is making a push for an unusual type of technology, using radiation to produce higher yielding and hardier plants. Lisa Bryant has more on the technology that the IAEA says could help reduce hunger affecting mi
VOA标准英语2008年(十二月)
DAVID GREENE, HOST: All right. A tourism boom is changing the face of Japan. The number of visitors has nearly tripled in the past five years to about 30 million, and the country is scrambling to build enough hotels ahead of next year's Tokyo Olympic
2019年NPR美国国家公共电台2月