英语词汇“trial run”的意思、释义、用法及双语翻译-时代网

词汇	trial run
释义	noun This year is a trial run for the new service, before it is officially introduced in 2011.
随便看	rack brains racked racker rackers racket racket racketball racketed racketeer racketeering racketeerings racketeers racketing rackets rackety rackful rackham,-arthur Rackham, Arthur rackham,arthur racking rackingly racks rack something up rack something ↔ up rack sth up 硫化物硫磺硫胺素硫酸硫酸亚铁硫酸钠硫酸雾硫黄硬硬上硬仗硬件硬任务硬伤硬体硬倔倔硬功硬功夫硬劲硬包装硬化硬化纸硬卧硬卧车硬口

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