英语upgrude是什么意思

是不是这个词
upgrade
词性及解释
n. 上坡, 升级, 上升
ad. 往上
vt. 使升级, 提升, 改良品种
vi. 升级
【计】 升级
【医】 提升等级, 提高标准
Organizations may suddenly need to upgrade servers.
各单位可能突然会需要对服务器升级。
To raise to a higher level; upgrade.
提高提升到一较高水平；上升
You upgrade over an earlier version of window95.
你正在对windows95的早期版本升级。
Effort to upgrade the schools must come from the community
改进学校的努力必须来自该社区
Moreover, foreign personnel will help upgrade their local counterparts.
另外，人才的引进还具有积极的外部效果。
Third, we worked actively to renovate and upgrade traditional industries.
三是积极改造和提升传统工业。
We need to upgrade the pay and status of doctor.
我们需要提高医生的工资和地位。
(5) Supporting Important Technical Renovations and Quickening the Pace of Industrial Upgrade.
（五）支持重点技术改造，加快产业升级步伐。
To upgrade the overall level and capacity of China's launch vehicles.
全面提高中国运载火箭的整体水平和能力。
We would like to upgrade our telephone s