bolster

'bәulstә

托福GRE Collins 2

n. a pillow that is often put across a bed underneath the regular pillows
v. support and strengthen
v. prop up with a pillow or bolster

n. 支持, 长枕
vt. 支持, 支撑

Collins 星级

9,591

BNC 频率

6,692

使用频率

bolster 的词根是 bol（意为“支持”），后缀 -ster 通常表示某种工具或人，因此可以理解为“支持的工具”或“支持者”。

例句

1. She used a pillow to bolster her back while sitting on the couch.

她在沙发上坐的时候，用一个枕头来支撑她的背部。

2. The team needs to bolster their defense if they want to win the championship.

如果球队想赢得冠军，他们需要加强防守。

3. He gave a speech to bolster the morale of his coworkers.

他发表了演讲以鼓舞同事们的士气。