单词：valve-operating stud
单词：valve-operating stud 相关文章
When Presidents, royalty or celebrities visit Singapore, they often receive a specially grown orchid, the national flower of the city-state, named after them. Barack and Michelle Obama, Chinese President Xi Jinping and Nelson Mandela all have multi-c
2018年VOA慢速英语(六)月
BARBARA KLEIN: This is SCIENCE IN THE NEWS in VOA Special English. Im Barbara Klein. STEVE EMBER: And Im Steve Ember. Today we tell about the beauty and science of orchids, some of natures most interesting flowers. Orchids at the U.S. Botanic Garden
2010年VOA慢速英语(四)月
STEVE INSKEEP, HOST: OK, this is big news, big news, if you eat ice cream. There is a global shortage of natural vanilla. Prices for vanilla beans are sky-high. NPR's Dan Charles reports. DAN CHARLES, BYLINE: Gerry Newman buys vanilla by the gallon.
2017年NPR美国国家公共电台6月
LULU GARCIA-NAVARRO, HOST: There is a type of orchid that resembles a female wasp. And in rare occasions, this trick of nature will attract a male wasp to pollinate the flower. This is portrayed on the cover of Caoilinn Hughes' new book Orchid And Th
2018年NPR美国国家公共电台8月
By Brian Wagner Miami, Florida 18 February 2008 Orchid growers are trying to grab a bigger share of the global trade in flowers, which accounts for several billion dollars each year. Growers from Latin America and Asia are scrambling to market unique
VOA常速英语2008年（二月）
A prominent Chinese entrepreneur who fled the country due to a debt crisis has returned home. The Chinese government has promised to help private firms to facilitate raising capital and allow these firms to borrow more money from banks during the cur
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