a cloth bag filled with soft material that you put on a chair or the floor to make it more comfortable

垫子;

a velvet cushion

天鹅绒垫子

a cushion cover

垫子套

something that stops one thing from hitting another thing

垫形物，起垫子作用的东西; 缓冲物:

Good sports shoes should provide a cushion when running.

好的运动鞋可以在跑动时起缓冲作用。

[usually singular] something, especially money, that prevents you from being immediately affected by a bad situation

起缓解作用的东西〔尤指金钱〕; 防备不时之需的积蓄:

Savings can act as a cushion against unemployment.

积蓄可以在失业时起到缓解作用。

the soft rubber edge of the table used for playing BILLIARDS or SNOOKER

〔台球桌的〕橡皮边，弹性衬边

to make the effect of a fall or hit less painful, for example by having something soft in the way

缓冲:

His landing was cushioned by the fresh snow that had fallen.

他跌倒时刚下的雪起到了缓冲作用。

to protect someone from an unpleasant situation or the unpleasant effects of something

减轻…的影响:

generous leaving allowances to help cushion the blow of redundancy

慷慨的离职补贴有助减轻裁员所带来的打击

Parents today often feel their children should be cushioned from the outside world.

如今的父母常常觉得自己的孩子应该免受外面世界的打击。