单词：gas detecting tube
单词：gas detecting tube 相关文章
1. This means that our noses are limited to perceiving those smells which float through the air, missing the majority of smells which stick to surfaces. 【分析】多重复合句。句子主干为 This means that...，that 引导宾语从句。宾语
考研英语长难句讲解
Technology being(1) developed at Pacific Northwest National Laboratory could put(2) explosive-sniffing(3) dogs out of business. Just like dogs, the technology can 'sniff' the air to detect vapors from explosives. Unlike dogs, it doesn't need to be fe
英语博客 A cup of English
BBC Learning English London Life Friendliness on the tube Yvonne:I'm Yvonne Archer and this is London Life from bbclearningenglish.com. Hello! In today's programme, we're talking about friendliness on London's tubes. Is there any? As you probably kn
伦敦生活
Metal detecting is a popular hobby in Britain, with clubs across the country. In the past year, detectorists, as they are called in Britain, have made big finds, valuable both in financial and archaeological terms. Jennifer Glasse | London 12 January
VOA标准英语2010年(一月)
Subject : Why are you always out in the left field? 第一， 迷你对话 A: Why are you always out in the field while listening to the news? 为什么你听新闻的时候不专心啊？ B: I am listening to the music and I couldnt help moving my b
迷你对话学地道口语