| 单词 | field day | 
| 释义 | Word Frequency field daynoun 1.  a day spent in some special outdoor activity, such as nature study or sport 2.  a day-long competition between amateur radio operators using battery or generator power, the aim being to make the most contacts with other operators around the world 3.  military a day devoted to manoeuvres or exercises, esp before an audience  4.  informal a day or time of exciting or successful activity  the children had a field day with their new toys 5.  Australian a.  a day or series of days devoted to the demonstration of farm machinery in country centres b.  a combined open day and sale on a stud property | 
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