单词：high-purity powder
单词：high-purity powder 相关文章
Dairy farmers are having a tough time during the recession because of the high Kiwi dollar. Last year, the dairy company Fonterra paid farmers more than $7 for a kilo of milk solids. This year they will probably get $5.20. They will know next month h
新西兰英语
By Brian Padden Washington 16 June 2008 The upcoming Olympic Games in Beijing will feature over 300 sporting events. While many events like swimming and basketball are dominated by professional athletes, the games still showcase amateur athletes. Th
VOA标准英语2008年（六月）
今天要讲的习惯用语都由这样一个关键词发展而来 ： powder。 大家一定知道powder是粉， 可以是扑脸的香粉，也可能是治病的药粉或者爆炸的火药，种类繁多。今天要学的第一个习惯用语是：
美国习惯用语
Suspicious Powder Discovered on Capitol Hill Deborah Tate Three U.S. Senate office buildings are closed, and congressional business has been disrupted a day after a suspicious powder, believed to be t
VOA2004（上）--各类新闻
今天要讲的美国俚语由powder发展而来。大家一定知道powder是粉，可以是扑脸的香粉，也可能是治病的药粉或者爆炸的火药，种类繁多。今天要学的第一个习惯用语是： take a powder。 习惯用语t
美国俚语
今天要学的习惯用语是： keep one's powder dry。在keep one's powder dry这个习惯用语里，powder指枪炮用的火药。以前步兵和水兵把火药装在火药桶里保持干燥，随时取用。要是哪个粗心大意的士兵忘了
美国俚语