单词：optical stripe filter
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Unit 14 strip stripe strive stroke stroll structure stumble sturdy style subjective submerge submit subordinate subscribe subsequent substance substantial substitute subtle subtract successive sue suffice sufficient suggestion suicide summarize summ
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UNIT FIVE Instruction [00:03.42]Number 1 Look at the eight pictures below. [00:08.52]You will hear six people,each one explaining how to use one of these machines. [00:14.68]Write down th name of the machines in the order of the description. [00:19.7
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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
Tomorrow is the first day of school. Barbara looks at her backpack. It has holes. It is dirty. She needs a new one. Her mom takes her shopping. There are so many backpacks. One backpack has yellow stars. Another one has rainbow stripes. Another one h
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英语六级写作如何写好主题句 1关于写主题句的建议 1）要写合乎语法的句子 Example 1： Two causes of the American Civil War． 这个句子是个不完整的句子，不合乎语法，因此不能用作主题句。 Example
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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
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China's Tibet Autonomous Region is about to achieve a universal coverage of fibre-optical broadband service ahead of its schedule. As China further rolled out its universal broadband project, Tibet's broadband service is looking to reach 98% of admin
2018CRI中国国际广播电台
Explanation: The U.S. flag is often called the Stars and Stripes, because those words describe what the flag looks like. The flag has 13 stripes, which are horizontal lines (or lines that run from left to right). The stripes alternate between red and
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