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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
HAIKOU, Jan. 28 (Xinhua) -- China's aviation authorities(民航当局) on Friday started to allow helicopters to fly in low-altitude airspace over the tourist island of Hainan on a trial basis for the first time. The aim is to eventually open a part
SHENYANG, Aug. 23 (Xinhua) -- China will relax the ban on the use of low-altitude airspace across the country starting in 2013, the country's air traffic authorities said Thursday. A series of reforms will be implemented in five to ten years, creatin
今天我们要学的词是come into play。 To come into play, 意思是发挥效应,产生影响。在即将举行的世界杯中,美国队第一轮三场比赛赛场海拔都在四千英尺以上。他们为此提前两周赶往南非适应环境
今天我们要学的词是come into play。 To come into play, 意思是发挥效应,产生影响。在即将举行的世界杯中,美国队第一轮三场比赛赛场海拔都在四千英尺以上。他们为此提前两周赶往南非适应环境
Idiom: Lay low ( low profile ) Hit the book: Increase Scared Unusual Try out for Organize Regular