sounding board

n C

1. 被征询的人

• The man was the sounding board for the company's decisions. 这个人是公司决策的咨询人。

2. 传声结构(装在讲台或舞台上方增加音像量度的板或顶篷)

3. 宣传手段

• The newspaper was used as a sounding board for their beliefs. 报纸被他们用作宣扬自己主张的传声筒。