I was working as a foreman on a building site.

我在一个建筑工地当工头。

The workers bulldozed the building site.

工人们用推土机把建筑工地推平。

He went to the building site by bike.

他骑自行车上工地去了。

Building site: 746 m2.

场地面积：746 m2。

He spends the summer labouring on a building site.

他整个夏天都在建筑工地劳动。