Upgradable
a. 能提到更高一级标准的(=upgradeable)
🗣️ 情景例句
Take your medicine like a man.
做一个男人，去接受磨练吧！
Travel east or travel west, a man's own home is still the best.
走到东，走到西，最好还是到家里。
We'll take 500.
我们要500个