| 单词 | 系统性能 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔add-on〕One thing added as a supplement to another, especially a component that increases the capability of the system to which it is added.附加物，附加装置：作为补充物附加于他物的东西，特指提高所加系统性能的部件美国传统 |
英语例句辞典收录了559068条英语例句在线翻译词条，基本涵盖了全部常用单词及词组的例句翻译及用法，是英语学习的有利工具。