Upgradeability
n. 可升级性；升级功能
🗣️ 情景例句
It's our meal from the restaurant.
这是从餐厅带回来的菜 。
Could you take a picture for me?
你能帮我拍照吗？
Excuse me, please. Where's the nearest men's room?
劳驾，离这儿最近的男厕所在哪儿？