单词：emergency air cleaning system
单词：emergency air cleaning system 相关文章
新编英语教程第五册unit01_2_cleaning_up
新编大学英语阅读部分
By Paula Wolfson Washington 30 July 2006 The U.N. Security Council was called into emergency session, following the Israeli bombing of the Lebanese village of Qana that killed dozens of civilians. It was the bloodiest incident in the almost three-we
2006年VOA标准英语（七月）
Beijing is to establish an air emergency medical service network by the end of the year. As well as that Beijing Red Cross 999 Emergency Center is planning to launch the first air rescue insurance by year end. It is hoped it will help cut service exp
世界各地新闻集锦
Spring cleaning 大扫除 Kate: Hello, Im Kate Colin and this is 6 minute English and today I'm joined as usual by Jackie Dalton. Well now we're well into the month of May and spring is well under way so today were talking about the modern attitude to
六分钟英语
Todd: Adrienne, we're going to talk about cleaning! So, first of all, how often do you clean, like your apartment? Adrienne: Thoroughly, I would say I clean once a week. Todd: So, do you consider yourself a clean person? Adrienne: I consider myself a
英语访谈对话
今天我们要讲的习惯用语都有air这个词。大家都知道air是空气。早在十七世纪，意大利科学家伽利略发现空气似乎没有实质却有重量。后来人们进一步发现高山顶上的空气要比海平面上的空气
美国习惯用语