孩子们在蓝蓝的天空下建起了沙滩城堡的翻译：Children under the blue sky built sand castles 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Children in the blue sky built a sand castle

Children under the blue sky built sand castles

The children have built up the sand beach castle under the blue sky

Kids in the blue sky, built a sand castle

Children under the blue sky built sand castles