Maintenance staff swept the cinders from the factory furnace before the safety inspection began.

安全檢查開始前，維修人員把工廠熔爐裡的爐渣清掃乾淨。

The shipment of cinders for road construction arrived at the warehouse two days late.

一批用於道路施工的煤渣晚了兩天才送達倉庫。

Guests complained that cinders from the hotel's outdoor fire pit stained the patio furniture.

房客抱怨飯店戶外火坑的煤渣弄髒了露台家具。