hái zi men / zài / cāo chǎng / shàng / liàn xí / fān / gēn dou / lǎo shī / yì zhí / zài / páng biān / bǎo hù / tā men

孩子们在操场上练习翻跟斗，老师一直在旁边保护他们。

The children practiced somersaults on the playground while the teacher protected them nearby.