单词：fabric-type dust collector
单词：fabric-type dust collector 相关文章
If you wipe a finger across a household surface that hasnt been cleaned in the last few days, chances are youll come into contact with dust. Look around and youll find the stuff everywhere, from the particles floating in a sunbeam to the fine layer o
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Fabric Fights Dust Mites in Your Bed 你床上织物中的抗尘螨 Many people around the world suffer from dust-related allergies. People with allergies have trouble breathing or suffer from tightness in the chest and shortness of breath. Most alle
2015年VOA慢速英语(十)月
New Fabric Helps Fight Dust-Related Allergies 新型面料有助于避免尘螨过敏 Many people around the world suffer from dust-related allergies, caused mainly by tiny mites that live in bed linen. Polish scientists report they have successfully
VOA标准英语2015年(十月)
109 When did you look at that photograph? (an hour ago) I looked atthat photograph an hour ago. 116 When did they watch television? (every day this week) They watched television every day this week. 120 When did he paint that bookcase?(the year befor
英语学习乐园
At the same time a growing number of private firms have ambitions to mine precious metals from those celestial bodies, too. 同时，许多私营公司都有从那些天体中开采贵金属的野心。 One of the (many) problems that NASA and the sp
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Tax Collector 收税员 Little Johnny was playing with his father's wallet when he accidentally swallowed a quarter. He went crying to his mom, choking on the quarter. 小约翰尼在玩爸爸的钱包时，不小心吞下了一枚25分硬币。硬币卡
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