Upgradable
a. 能提到更高一级标准的(=upgradeable)
🗣️ 情景例句
Sam, get Mr. Levine at Toytown Stores
Sam，给Toytown Stores的Levine先生
You'll be on air in two minutes.
两分钟以后你会上电视。
There's a hair in my soup.
我的汤里有根头发。