单词：high chromium allioy
单词：high chromium allioy 相关文章
Could an element commonly found in Americans` tap water caused cancer? A nonprofit environmental group is sounding the alarm about something called chromium-6. The U.S. government says high levels of it in the air can be carcinogenic, meaning they ca
CNN美国有线新闻2017年2月
This news report is sponsored by Blue Cross/Blue Shield. There's some serious problems in Arkansas. High winds and a tornado have sliced through portions of southern Arkansas. People have been injured and some residents are still unaccounted for. Eme
365个英语简短小故事
By Brian Wagner Caracas 07 January 2008 Venezuela has launched a new currency aimed, in part, at curbing high inflation rates in the oil-producing nation. Prices have risen in Venezuela due to soaring consumer demand, creating shortages of milk, suga
VOA标准英语2008年（一月）
This is the VOA Special English Health Report. Cardiovascular disease is the world's leading cause of death. It includes heart attack, stroke and high blood pressure. Over the years, researchers have identified several substances in the blood that c
VOA慢速英语2009年（七）月
Syrian Refugees Watch Violence Unfold from Border Camp Syrian helicopters buzz rebel-held territory - occasionally firing rockets that raise plumes of smoke. Army snipers holed up in a minaret take aim at anyone trying to flee Syria. Kilis refugee ca
VOA标准英语2012年(七月)
Kurt: Turn that radio down! Gloria: No way! Im listening to a simulcast of a performance and its live. Kurt: Is it on campus radio? Gloria: No, its on the public radio station. I finally got good reception after putting this long antenna outside my w
地道美语播客