Upgradable
a. 能提到更高一级标准的(=upgradeable)
🗣️ 情景例句
We communicate with each other by letter.
我们用书信彼此联系。
We've got to get a bed and a dresser for the bedroom.
我们必须有一张床和梳妆台放在卧室。
And the worst?
那么最不喜欢的呢？