计算机的内存缓冲区buffer可以暂时存储数据，减少处理器负载。

The computer's memory ___buffers temporarily store data to reduce processor load.

当网络速度慢时，视频可能会卡顿，因为数据没有及时存入缓存区。

The video may lag when the internet is slow because data isn't being stored in the ___buffers quickly enough.

定期锻炼和健康饮食是预防疾病的缓冲屏障。

Regular exercise and a healthy diet serve as ___buffers against diseases.