单词：plant sterol
单词：plant sterol 相关文章
This is the VOA Special English Agriculture Report. When is a plant considered a weed? Experts at Penn State University have a simple answer: When its undesirable qualities outweigh its good qualities. Consider this: Crops generally produce several
VOA慢速英语2009年（五）月
Agriculture Report - Ideas for Getting a Firm Grip on Weed Control 农业报道 - 控制杂草生长的办法 This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 Weeds compete with plantings for water
2011年VOA慢速英语(七)月
Getting a Firm Grip on Weed Control This is the VOA Special English Agriculture Report. When is a plant considered a weed? Experts at Penn State University have a simple answer: When the undesirable qualities outweigh the good qualities. Consider the
2013年VOA慢速英语(五)月
Agriculture Report - Getting a Firm Grip on Weed Control 农业报道 - 严格控制杂草 This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 When is a plant considered a weed? Experts at Penn State U
2012年VOA慢速英语(六)月
Japan Still Struggling to Control Crippled Nuclear Plant Small and peaceful anti-nuclear protests continue to be staged in Japan. The demonstrations are being held as troubles continue at and around the Fukushima-1 nuclear power plant in the northeas
VOA标准英语2011年(四月)
A major study by the World Health Organization shows that most people with high cholesterol levels around the world are not getting the treatment they need, to avoid such serious diseases as heart attacks and strokes. And the authors of the study - t
VOA标准英语2011年(二月)