hái / zi / men / zài / dà / rén / de / péi / tóng / xià / gòu / mǎi / le / shǎo / liàng / yān / huā / bào / zhú

孩子们在大人的陪同下购买了少量烟花爆竹。

The children bought a small amount of fireworks and firecrackers with adult supervision.