1、resonant

洪亮的;嘹亮的

His voice sounded oddly resonant in the empty room.

他的声音在这空荡荡的房间里听起来异常嘹亮。

He responded with a resonant laugh.

他报以洪亮的笑声。

有特殊意义的;引起共鸣的

It is a country resonant with cinematic potential, from its architecture to its landscape.

从建筑到风景，这个国家到处都体现出其成为电影拍摄地的潜力。

2、operation

（由大量人员参与、具有高度组织性的）活动，行动，工作

The rescue operation began on Friday afternoon.

救援行动于星期五下午开始。

The soldiers were engaged in a military operation close to the Ugandan border.

这些士兵参加了乌干达边境附近的一次军事行动。

企业；公司

Thorn's electronics operation employs around 5,000 people.

索恩的电子公司雇用了约5,000名员工。

The two parent groups now run their business as a single combined operation.

这两个母公司现在合并为一家企业经营业务。

使用；运作

Until the rail links are in operation, passengers can only travel through the tunnel by coach.

在铁路连线开通之前，乘客只能乘坐长途客车穿越隧道。

the free banking system that has been in operation since the early eighties.

从80年代初就开始实行的自由银行制度