coffer|coffers

他把家族的金币都存放在一个古老的铁箱里。

He stored all the family's gold coins in an ancient iron ___coffer.

市政厅的金库为这个新项目提供了充足的资金。

The city hall's ___coffers provided ample funds for the new project.

会议厅的天花板上装饰着精美的藻井。

The conference hall's ceiling was adorned with beautiful ___coffers.