单词：rectanglar comb filter
单词：rectanglar comb filter 相关文章
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
Dohn,Surgical masks arent designed to protect you. Theyre designed to protect those around you from the germs you might be spreading, by blocking those droplets you shoot out when you sneeze or cough. Surgical masks also divert airflow so that you do
英语听力文摘 English Digest
Steve Holcomb almost lost his chance at Olympic success to congenital eye disease, but thanks to revolutionary operation he will compete in Vancouver. David Byrd | Washington 06 January 2010 Photo: Amanda Bird Steve Holcomb, bottom center, with bobsl
VOA标准英语2010年(一月)
今天我们要学的词是comb through。Comb through, 意思是仔细查找。龙卷风过后， Rescue workers combed through the rubble, searching for survivors, 救援人员在废墟中寻找幸存者。 Police combed through the house, looking
英语单词荟萃
By Sabina Castelfranco Palermo 05 October 2007 Security experts are gathered for a two-day meeting in Sicily organized by the Italian Atlantic Committee and the Atlantic Treaty Association, umbrella organizations working on security issues in NATO co
2007年VOA常速英语（十月）
The Eye of the Dung Beetle A number of animals, including honeybees and butterflies, use sunlights polarization in their navigation s , but the dung beetle is the first animal ever discovered to use moonlights polarization to guide its travels. Polar
英语听力文摘 English Digest