单词：degradation curve
单词：degradation curve 相关文章
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
A Tour of Homes. Welcome back to our tour where we discover each and every room and object in the home. Remember, if you can learn and remember this vocabulary, you will have the advantage of being able to use words and phrases that make you sound na
英语博客 A cup of English
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
Beginners. Welcome back to The Tour of Homes. We are still in the kitchen, but today, instead of going over vocabulary related to furniture and appliances, lets get on with some cooking. Now, what is cooking without herbs and spices? They make our fo
英语博客 A cup of English
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