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a buffer against sth
Savings can serve as a buffer against financial emergencies.
储蓄可以作为应对财务紧急情况的缓冲。
缓冲器；缓冲区
buffers — plural of buffer
先理解核心含义，再看它在真实句子里的用法。
缓冲器；缓冲区
a device or area that reduces the impact of changes or protects against shock
Savings can serve as a buffer against financial emergencies.
储蓄可以作为应对财务紧急情况的缓冲。
抛光并使之光亮的人或物
Someone or something that buffs (polishes and makes shiny).
用于隔离或最小化一件事对另一件事影响的任何东西
Anything used to isolate or minimize the effect of one thing on another.
缓冲剂
(chemistry) an ionic compound that resists changes in its pH
缓冲地带
a neutral zone between two rival powers that is created in order to diminish the danger of conflict
The computer uses a buffer to store data temporarily.
计算机使用缓冲区来临时存储数据。
The solution acts as a buffer, preventing sudden changes in pH.
这种溶液作为缓冲剂，防止pH值突然变化。
Leave a buffer of time between meetings to avoid being late.
在会议之间留出缓冲时间，以免迟到。
Savings can serve as a buffer against financial emergencies.
储蓄可以作为应对财务紧急情况的缓冲。
The demilitarized zone acts as a buffer zone between the two countries.
非军事区充当两国之间的缓冲地带。
The software buffers incoming data against sudden spikes.
该软件缓冲传入的数据以防止突然的峰值。
The program buffers the video stream for smoother playback.
该程序缓冲视频流以实现更流畅的播放。
Not this
This app provides a buffer for crashes.
Use this
This app provides a buffer against crashes.
名词 buffer 常搭配介词 against 表示“抵御”，而 for 表示“为了”，不符合原意。
Not this
The software buffers against viruses.
Use this
The software buffers viruses.
动词 buffer 是及物动词，直接接宾语，不需要介词 against。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
缓冲区；缓冲地带
A buffer zone was established between the two countries.
两国之间建立了一个缓冲区。
缓冲溶液
The pH of the buffer solution remained stable.
缓冲溶液的pH值保持稳定。
缓冲国
The small nation served as a buffer state between the two empires.
这个小国充当了两个帝国之间的缓冲国。
缓冲；抵御
Trees buffer against strong winds.
树木缓冲强风。
缓冲冲击
The airbag buffered the impact of the crash.
安全气囊缓冲了碰撞的冲击。
缓冲存储器
The computer uses a buffer memory to speed up data transfer.
计算机使用缓冲存储器来加速数据传输。
缓冲地带；中间区域
The neutral country served as a buffer zone between the warring nations.
这个中立国充当了交战国家之间的缓冲地带。
缓冲国（位于两个敌对大国之间的小国）
Historically, Belgium was often considered a buffer state in European conflicts.
历史上，比利时常被视为欧洲冲突中的缓冲国。
缓冲库存（用于稳定价格的储备）
The government maintains a buffer stock of grain to prevent price spikes.
政府维持谷物缓冲库存以防止价格飙升。
Use buffers naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
用‘缓冲’记忆‘buffer’：缓冲器就像缓冲海绵，吸收多余能量。
名词：常用于计算机（缓冲区）、化学（缓冲溶液）和电子学（缓冲器）；动词：多用于计算机（缓冲数据）或一般意义上的缓解冲击。通常用于技术或正式语境，但也可用于日常比喻。中性至正式程度。
Words like suffer, rougher, bluffer, puffer, duffer rhyme with buffer (stressed /ʌ/ + /fɚ/). Be careful: butter (/bʌtɚ/) does not rhyme because of the /t/ consonant.
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY.