单词：machine hour standards
单词：machine hour standards 相关文章
By Carol Pearson Washington, D.C. 30 April 2007 A new report -- commissioned by the U.S. Congress -- recommends strong nutritional guidelines for the food that is sold in the nation's schools. Existing federal standards apply only to food served in
2007年VOA标准英语（四月）
最近忙什么呢？好久没见你了。锻炼身体呢 A: Steve. Is that you? B: Yeah. What's going on? A: Not much. What a surprise to see you here. B: Yeah. It's been a couple of months since I saw you. A: What have you been up to? B: I just sta
中级-Intermediate Listening
A: Steve. Is that you? B: Yeah. What's going on? A: Not much. What a surprise to see you here. B: Yeah. It's been a couple of months since I saw you. A: What have you been up to? B: I just started working out. A: Really? Where do you work out at? B:
对话类英语听力
China's General Administration of Quality Supervision, Inspection and Quarantine has pledged to keep 92 percent of the sample product quality above the state standards while reducing accidents of elevators and other mechanical devices. Improving the
英语新闻
China's General Administration of Quality Supervision, Inspection and Quarantine has pledged to keep 92 percent of the sample product quality above the state standards while reducing accidents of elevators and other mechanical devices. Improving the
2016CRI中国国际广播电台
5. He's out for lunch. Would you like to try again an hour later?他出去吃午餐了, 你要不要一小时后再打来? 受到中文的影响, 许多人要讲某人出去吃午餐了常会说成, He went out for lunch. 其实这个 went 是多余的
实用英语