单词：filter zone
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But the HEPA filter for Olivers Vibe got dirty very quickly. And, it was not cleanableit was simply replaceable. When it turned filthy brown, Oliver went back to Target to buy a new filter. Oddly, Target sold the F15 belt for the Vibe, but not the fi
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From VOA Learning English, this is the Health Lifestyle report. In parts of India, it is not uncommon to see people wearing a mask over their nose and mouth. The capital, New Delhi, has some of the world's dirtiest air. The pollution was a call for a
2018年VOA慢速英语(一)月
今天我们要学的词是in the zone。 In the zone, 意思是进入最佳状态。 He was in the zone throughout the playoffs, 整个季后赛他一直保持最佳状态。 Nobody can touch him when he is in the zone, 他一旦进入最佳状态，谁
英语每日一词
今天我们要学的词是in the zone。 In the zone, 意思是进入最佳状态。 He was in the zone throughout the playoffs, 整个季后赛他一直保持最佳状态。 Nobody can touch him when he is in the zone, 他一旦进入最佳状态，谁
英语单词荟萃
By Tabinda Naeem Washington, D.C. 21 May 2007 Two years ago, the National Academy of Engineering established the Grainger Challenge Prize for Sustainability. This $1 million award was designed to challenge the world's scientists to develop a practica
2007年VOA标准英语（五月）
Larry和李华明天要考试，今天一起复习，但李华一直没法专心。她今天会学到两个常用语：zone out和now you're cooking with gas。 LL: So Reaganomics were the economic policies of US. President Ronald Reagan - Li Hua? Ar
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