gōngrén / zhèngzài / yòng / dǎ / zhuāng / jī / dǎ / zhuāng / zhǔnbèi / jiànzào / xīn / lóu

工人正在用打桩机打桩，准备建造新楼。

Workers are using a pile driver to drive piles, preparing to build a new building.