upgradings

核心释义

1. 1.

   (upgrading 的复数) v. 升级；提高品位(upgrade的现在分词)

   plural of upgrading；v rate higher; raise in value or esteem；v to improve what was old or outdated；v give a promotion to or assign to a higher position；v get better travel conditions；v give better travel conditions to

提高品位(upgrade的现在分词)