求翻译：1夏令营起源于美国，为促进孩子的办事能力，让孩子与孩子之间的关系更和谐，独立自主能力更强。美国开设了这一活动，家长希望孩子可以得到锻炼，每年都很踊跃的送孩子去参加夏令营是什么意思？

1 origin of summer camp in United States, to promote the child's competence, make more harmonious relationships between children and children, self-reliant capacity stronger. United States has opened the event, parents hope their children can get exercise every year is eagerly send their children to attend summer camp