up-grading

英 ['ʌpɡr'eɪdɪŋ] 美 ['ʌpɡr'eɪdɪŋ]

• 增容

英英释义

动词 upgrade:

1. rate higher; raise in value or esteem

2. to improve what was old or outdated

3. give a promotion to or assign to a higher position

4. get better travel conditions

5. give better travel conditions to