单词：recycle chromatography
单词：recycle chromatography 相关文章
Recycle 2 [00:01.54]循环2 [00:03.08]Let's act [00:04.60]表演 [00:06.11]I'm tall.I can get the apples.I'm strong. [00:09.50]我个子高.我能摘到苹果.我强壮. [00:12.88]I can carry the fruit [00:14.60]我能搬运水果. [00:16.33]My nose
人教版小学英语三年级
Do you recycle? Neil: Hello, this is Real English from BBC Learning English, Im Neil. Helen: 大家好，我是Helen，欢迎收听地道英语。 Neil: In Real English, we look at words and phrases that you might not find in your dictionary. Helen: 英语是在现实生
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This is the VOA Special English Technology Report. Each year, Americans throw away millions of tons of electronic devices. That means business is good for a small electronics recycler in Chantilly, Virginia. Company President Jeremy Faber established
2010年VOA慢速英语(十一)月
In the United States, the fastest growing type of trash is e-waste: computers, TVs and other electronics. Because many e-waste components are toxic, many communities are striving to recycle them more responsibly. From Boulder, Colorado, Shelley Schl
VOA标准英语2008年(十二月)