Upgradable
a. 能提到更高一级标准的(=upgradeable)
🗣️ 情景例句
Don't worry. The traffic is very heavy at this hour.
别担心。这个时间交通很拥挤。
Fortune favours the bold.
勇者天佑。
They plan to immigrate to Finland next year.
他们计划明年移居芬兰。