zhè / miàn / qí / zi / de / mò / duān / jiǎn / chéng / yàn / wěi / xíng / suí / fēng / piāo / dòng

这面旗子的末端剪成燕尾形，随风飘动。

The end of this flag is cut into a swallowtail shape and flutters in the wind.