Our insurance team reviewed the fluvial flood risk before approving the new warehouse site.

我們的保險團隊在核准新倉庫地點前，審查了河流氾濫的風險。

The consulting firm emailed a fluvial erosion report to the city planning office yesterday.

顧問公司昨天將一份河流侵蝕報告寄給了市政規劃辦公室。

Tour guides explained the fluvial landscape to guests during the afternoon river cruise.

導遊在下午的遊河行程中，向旅客介紹了河成地貌。