中央处理器

例句：

1. 1. The computer's central processingunit is responsible for executingthe operating system.
   计算机的中央处理单元负责执行操作系统。
2. 2. The new software has significantlyimproved the performance of the central processing unit.
   新软件显著提高了中央处理单元的性能。
3. 3.The engineers are working on upgrading thecentral processing unit to improve efficiency.
   工程师们正在升级中央处理单元以提高效率。