gōng / rén / men / zài / tián / biān / lì / qǐ / yì / gēn / biāo / gān / zuò / wéi / cè / liáng / de / biāo / jì

工人们在田边立起一根标竿，作为测量的标记。

The workers put up a marker pole beside the field for measurement.