单词：
单词： 相关文章
Janice Lieberman: America is a cell phone nation, dialing, texting and ringing, nonstop. (Inaudible) Ding? Yeah? Hello? Janice Lieberman: Although we can't live without our cell phones, most people do
万花筒2006年
Two pilots recently set a new altitude world record for gliders. A glider is an aircraft that does not have an engine. They are pulled into the air by powered airplanes and then released. They are designed to ride warm, rising air to gain altitude. T
2017年VOA慢速英语(九)月
Americans shower their loved ones with gifts on Valentine's Day, with chocolate being the most popular gift-giving item, according to a recent National Retail Federation survey. The organization estimates consumers will spend $1.7 million on chocolat
VOA标准英语2017年(二月)
TechShop Puts High-Tech Dreams Within Reach 科技商店让高科技梦想触手可及 Maurice Mountain is a retired lawyer in Washington, D.C. He developed a prototype for a device he calls the Presto Emergency Boat Ladder. His invention is a small
2015年VOA慢速英语(一)月
The city of Changsha, capital of central China's Hunan Province, is considered one of the manufacturing centers of China, with four of the world's top 50 machinery manufacturing companies based in the city. The industrial development is now turning i
2018CRI中国国际广播电台
中国标准化规范词汇大全 通用计量术语及定义 General Terms in Metrology and Their Definitions 国家计量检定规程编写规则 The Rules for Drafting National Metrological Verification Regulation 流量计量名词术语及定义
实用英语