英语释义
1. an upward grade or slope
2. increase, rise
3. improvement sense 2b
4. to raise or improve the grade of: such as
5. to improve (livestock) by use of purebred sires
6. to advance to a job requiring a higher level of skill especially as part of a training program
7. to raise the quality of
8. to raise the classification and usually the price of without improving the quality
9. to extend the usefulness of (something, such as a device)
10. to assign a less serious status to
upgraded the patient's condition to good
11. to replace something (such as software or an electronic device) with a more useful version or alternative
Upgrading to a new operating system can make people anxious, even under the best of circumstances.
— Macworld
12. an area or surface that goes upward an upward slope
13. an occurrence in which one thing is replaced by something better, newer, more valuable, etc.
14. to make (something) better by including the most recent information or improvements
15. to choose to have or use something more modern, useful, etc.
16. to get something (such as a seat on an airplane or a room in a hotel) that is better than what you had originally
17. to raise to a higher grade or position The restaurant was upgraded from three to four stars.
18. to improve or replace old software or an old device
19. to assign a less serious status to
upgraded the patient's condition from fair to good
20. to reclassify (as a cancer, concussion, or bone fracture) to a more serious grade when the grades are numbered from least to most serious