音标
英语音标：[ˌʌpˈɡreɪd , ˈʌpɡreɪd]
美语音标：[ˌʌpˈɡreɪd , ˈʌpɡreɪd]
翻译
vt.升级；提高；改善
adv.向上地
n.升级；上坡
例句
You can pay to be upgraded to a business class seat.
你可以付费升级到商务舱。
The upgrading and updating of digital products have accelerated for the past several years.
近几年来数码产品的升级换代越来越快。
We will press ahead with our plans for upgrading the software.
我们会继续为我们的计划努力，加快进行软件升级。
