Site grading must be completed before the contractor can pour the warehouse foundation.

承包商必須先完成場地整地，才能為倉庫灌注地基。

The invoice includes a separate charge for grading and drainage work at the parking lot.

這張發票包含停車場整地與排水工程的額外費用。

During the meeting, the manager explained that heavy rain had delayed grading at the new office site.

會議中，經理說明大雨延誤了新辦公大樓工地的整地作業。