单词：twin filter
单词：twin filter 相关文章
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
365个英语简短小故事
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
New York's Twin Towers Appear in Many Hollywood Films For almost 30 years, the Twin Towers of the World Trade Center graced the New York skyline. They were 110 stories high and symbolized strength and optimism. The monumental complex in Lower Manhatt
VOA标准英语2011年(九月)
WASHINGTON, Jan. 1 (Xinhua) -- Twin U.S. spacecraft to study the moon from crust to core put themselves into the lunar orbit on New Year's Eve and New Year's Day, the country's space agency said. The second Gravity Recovery And Interior Laboratory, o
英语新闻
BEIJING, Sept. 6 (Xinhuanet) -- NASA will launch on Thursday twin lunar orbiters built to map the gravity of Earth's moon in unprecedented detail, media reported Tuesday. The twin lunar probes, Graili-A and Graili-B, will blast off from Florida's Cap
英语新闻
In 2013 they will finish building One World Trade Center. It's also known as the Freedom Tower. It will be the tallest building in Manhattan. Tall, schmall, said Hal. Ten years to build it. They built BOTH Twin Towers in just seven years. Those were
英文短篇故事（纽约）