上周日上午，我国自主研发的商用客机C919的开发者在上海浦东国际机场对其进行了首次高速滑行测试，C919距离首飞又近了一步。
China-developed commercial airliner C919 has edged a step closer to takeoff after the plane's developer put it through the first high-speed taxi test last Sunday morning at Shanghai Pudong International Airport.
测试于上午8时开始，持续了3个小时。
The test started at 8:00 am and lasted for three hours.
C919的最高时速达248公里左右，接近起降所需速度。
The plane reached a top speed of about 248 km per hour, approaching the speed required for takeoff and landing.
C919由中国商飞开发，该公司预计将于今年上半年进行C919的试飞。
C919's developer, the Commercial Aircraft Corporation of China, is expected to launch a test flight of the aircraft in the first half of this year.
C919是窄体飞机，设计载客量在150人以上，在市场上的主要竞争机型包括空客320和波音737。
The C919, designed to accommodate over 150 passengers, is a narrow-body plane. Its main rivals on the market will include Airbus 320 and Boeing 737.
此外，中国商飞公司还计划在2017年开始研发宽体飞机。
The COMAC also plans to start developing wide-body aircraft in 2017.