xiǎo hái / guāng chì / zhe / jiǎo / zài / shā tān / shàng / bēn pǎo / ， / liú xià / yī chuàn chuàn / xiǎo / jiǎo yìn / ， / kāi xīn / jí le / 。

小孩光赤着脚在沙滩上奔跑，留下一串串小脚印，开心极了。

The child ran with stark naked feet on the beach, leaving a string of small footprints, and was extremely happy.