Upgradable
a. 能提到更高一级标准的(=upgradeable)
🗣️ 情景例句
Let's play some drinking games.
咱们去划拳吧。
This alone made our nine-day trip worthwhile.
光这件事我们9天的旅行就非常值得。
Mum, I don't feel very well.
妈，我感觉不舒服。