单词：ultraviolets
n. 紫外线辐射
[网络] 致命紫罗兰；紫外光；紫光任务
单词：ultraviolets 相关文章
roses are red and violets are blue honey is sweet, but not as sweet as you roses are red and violets are blue. ad id aid id mud ad id aid id mud dum di dia di da dum di dia di da dum di dia di da dum
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UNIT 8 We Mustn't Pick the Flowers\n [au:]第八单元 我们不应该摘花\n [00:05.20]Dialogue\n [au:]对话\n [00:07.63]Look and listen. Then read and answer the question.\n [au:]看一看，听一听，读一读然后回答问题。\n [00:12.68]
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China has long depended on coal-burning power plants to fuel its explosive growth over the past three decades. As a result, air pollution has risen to alarming levels in central and eastern regions. Policymakers have been working hard to shift the co
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