She often had to act as a buffer between father and son.

她常常不得不在父子之间扮演调解人角色。

《牛津词典》

Support from family and friends acts as a buffer against stress.

家庭和朋友的支持有助于减缓压力。

《牛津词典》

A buffer zone was clearly needed.

显而易见，现在急需一个缓冲区。

youdao

And Turkey acts as a buffer on Iran's border from the encroachment of Western NATO powers and to some extent Israel.

VOA: standard.2010.07.26

Your natural defenses that might provide some kind of a buffer between a commercial message and your behavior, you have a filter, a screen that helps you interpret these message.

人天生的防御心理能够,为商业信息和人类行为之间提供缓冲,电视屏幕像一个过滤器那样,隔离了人和商业信息

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

"You have a very large population of people stuck inside a combat area serving as a buffer between an impending government assault and Tamil Tiger resistance.

VOA: standard.2009.04.26

"We think that could provide quite a buffer for the hormone replacement franchise, " Goldstein says.

FORBES: Is Wyeth Getting An Easy Pass?

The wind whooshed and whined, a buffer against the lonesome quiet of my strange hotel room.

WSJ: Traveler's Tale: On the Road Again, and Again, So Help Me

"Our security maintained a buffer that separates the fans from the fencing area, " he said.

WSJ: Last-Lap Crash Injures Nascar Fans