n.缓冲；(火车头尾或轨道末端的)缓冲器；[计算机]缓存区；老朽
v.缓冲；减轻；[计]缓存
The world's natural ecosystems act as a buffer. 地球上的自然生态系统起着一种缓冲的作用。
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。
He is a silly old buffer. 他是个老糊涂。
