当孩子参加夏令营活动时体验到了困难。
The kids experienced difficulty when they took part in summer camp.
2008年7月，美国一所高中邀请20名大连高中生去美国参加夏令营活动。
In July, 2008, a senior school in America invited 20 students in Dalian City to participate in a summer camp activity in America.
参加夏令营活动的老师推举的流程是教育局分发到每个中心校一定名额（确保总数是60人），中心校校长根据名额推举老师参加。
Teachers were nominated by Central Primary Schools of each town and the quota for each town was distributed by county level EB to make sure that teachers add up to 60.
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