to upgrade
01
改进, 升级
to improve a machine, computer system, etc. in terms of efficiency, standards, etc.
Transitive: to upgrade a machine or computer system
例子
He upgrades his phone every two years to get the latest features.
他每两年升级一次手机以获得最新功能。
02
提升, 升级
to improve something to a higher level of quality, significance, or importance
Transitive: to upgrade sth
例子
The airline introduced a new loyalty program to upgrade the travel experience for frequent flyers.
航空公司推出了一个新的忠诚度计划，以提升常旅客的旅行体验。
03
升级, 提升
to provide someone with a better seat on an airplane or a better room in a hotel than the one for which they have paid
Transitive: to upgrade sb to a better seat or room
例子
As a gesture of goodwill, the hotel upgraded the couple to a deluxe suite with a panoramic view of the city skyline.
作为一种善意的表示，酒店将这对夫妇升级到了一个可以俯瞰城市天际线的豪华套房。
04
晋升, 提升
to promote or elevate an employee to a higher position, level, or rank
Transitive: to upgrade sb | to upgrade sb to a higher rank or position
例子
The board of directors unanimously voted to upgrade John to vice president of operations.
董事会一致投票决定将约翰晋升为运营副总裁。
Upgrade
01
software that improves or adds features to a previous version
例子
The operating system 's upgrade fixed multiple bugs.
02
the process of improving an item, system, or equipment to a higher standard
例子
Routine maintenance included an upgrade of the production line.
03
physical components that replace older versions to improve performance
例子
The server received a memory upgrade.
04
an improvement in a reservation, service, or ticket to a higher class or level
例子
Airlines provide frequent flyers with a complimentary seat upgrade.
