joined a demonstration翻译

joined a demonstration的基本解释

读音: 美: 英:

参加示威游行

例句

China joined the green jet age on Friday when an Air China 747 circled Beijing on a demonstration flight powered by a plant-based biofuel made by Honeywell UOP.上周五,一架使用植物生物燃料的国航747飞机在北京上空进行了验证飞行,此种燃油由霍尼韦尔环球油品公司(Honeywell UOP)生产。这标志着中国迈入了绿色喷气机时代。
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